7Baggers

Ultra Clean Holdings, Inc
(NASDAQ:UCTT) 

UCTT stock logo

Ultra Clean Holdings, Inc. designs, engineers, and manufactures production tools, modules, and subsystems for the semiconductor and display capital equipment markets in the United States and internationally. The company provides subsystems, such as wafer cleaning modules; chemical delivery modules t...

Full Time Employees: 3,940
Sector: Technology
Industry: Semiconductor Equipment & Materials

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• Market Cap:
• Exchange:
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At a glance:
Bull Thesis:
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Income Statements:
Quarterly
Annual
    Unit: USD2025-12-26 2025-09-26 2025-06-27 2025-03-28 2024-12-27 2024-09-27 2024-06-28 2024-03-29 2023-12-29 2023-09-29 2023-06-30 2023-03-31 2022-12-30 2022-09-30 2022-07-01 2022-04-01 2021-12-31 2021-09-24 2021-06-25 2021-03-26 2020-12-25 2020-09-25 2020-06-26 2020-03-27 2019-12-27 2019-09-27 2019-06-28 2019-03-29 2018-12-28 2018-09-28 2018-06-29 2018-03-30 2017-12-29 2017-09-29 2017-06-30 2017-03-31 2016-12-30 2016-09-23 2016-06-24 2016-03-25 2015-12-25 2015-09-25 2015-06-26 2015-03-27 2014-12-26 2014-09-26 2014-06-27 2014-03-28 2013-12-27 2013-09-27 2013-06-28 2013-03-29 2012-12-28 2012-09-28 2012-06-29 2012-03-30 2011-12-30 2011-09-30 2011-07-01 2011-04-01 2010-12-31 2010-10-01 2010-07-02 2010-04-02 2010-01-01 2009-10-02 2009-07-03 2009-04-03 2009-01-02 2008-09-26 2008-06-27 2008-03-28 2007-12-28 2007-09-28 2007-06-29 2007-03-30 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-11-16 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-11-16 2004-09-30 2004-06-30 2004-03-31 
                                                                                              
      revenues:
                                                                                              
      products
    442,400,000 445,000,000 454,900,000 457,000,000         393,800,000 556,300,000 532,000,000 486,800,000 317,525,000 482,000,000 442,500,000 345,600,000                                                                       
      services
    64,300,000 65,000,000 63,900,000 61,600,000 59,800,000 61,400,000 63,400,000 59,200,000 55,100,000 54,100,000 59,000,000 64,700,000 66,900,000 78,700,000 76,700,000 77,300,000 81,300,000 71,700,000 72,700,000 72,000,000 70,100,000 68,900,000 66,900,000 61,500,000                                                                   
      total revenues
    506,700,000 510,000,000 518,800,000 518,600,000 563,300,000 540,400,000 516,100,000 477,700,000 444,700,000 435,000,000 421,500,000 433,300,000 566,400,000 635,000,000 608,700,000 564,100,000 615,100,000 553,700,000 515,200,000 417,600,000 369,600,000 363,300,000 344,800,000 320,900,000                                                                   
      yoy
    -10.05% -5.63% 0.52% 8.56% 26.67% 24.23% 22.44% 10.25% -21.49% -31.50% -30.75% -23.19% -7.92% 14.68% 18.15% 35.08% 66.42% 52.41% 49.42% 30.13%                                                                       
      qoq
    -0.65% -1.70% 0.04% -7.94% 4.24% 4.71% 8.04% 7.42% 2.23% 3.20% -2.72% -23.50% -10.80% 4.32% 7.91% -8.29% 11.09% 7.47% 23.37% 12.99% 1.73% 5.37% 7.45%                                                                    
      cost of revenues:
                                                                                              
      total cost revenues
    429,400,000 427,800,000 439,300,000 434,600,000 471,500,000 447,000,000 427,600,000 395,100,000 373,700,000 369,800,000 353,400,000 360,300,000                                                                               
      gross margin
    77,300,000 82,200,000 79,500,000 84,000,000 91,800,000 93,400,000 88,500,000 82,600,000 71,000,000 65,200,000 68,100,000 73,000,000                                                                               
      yoy
    -15.80% -11.99% -10.17% 1.69% 29.30% 43.25% 29.96% 13.15%                                                                                   
      qoq
    -5.96% 3.40% -5.36% -8.50% -1.71% 5.54% 7.14% 16.34% 8.90% -4.26% -6.71%                                                                                
      gross margin %
    15.26% 16.12% 15.32% 16.20% 16.30% 17.28% 17.15% 17.29% 15.97% 14.99% 16.16% 16.85% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN%  NaN% NaN% NaN% NaN%  NaN% NaN% NaN% NaN% 
      operating expenses:
                                                                                              
      research and development
    8,800,000 7,800,000 7,800,000 7,600,000 7,100,000 7,100,000 7,100,000 7,000,000 6,600,000 7,400,000 7,200,000 7,100,000 7,000,000 7,400,000 7,200,000 6,800,000 7,700,000 6,500,000 6,100,000 4,200,000 4,100,000 3,500,000 3,800,000 3,400,000 3,614,000 3,634,000 3,921,000 3,431,000 4,059,000 3,284,000 2,915,000 3,029,000 3,264,000 2,722,000 2,774,000 2,906,000 2,818,000 2,447,000 2,359,000 2,276,000 2,259,000 2,352,000 2,401,000 2,566,000 1,696,000 1,806,000 1,798,000 1,767,000 1,387,000 1,410,000 1,489,000 1,257,000 1,118,000 1,309,000 1,288,000 1,406,000 1,262,000 1,252,000 1,437,000 1,605,000 1,536,000 1,455,000 1,390,000 1,057,000 777,000 771,000 748,000 916,000 1,029,000 484,000 606,000 785,000 710,000 648,000 785,000 842,000 914,000 806,000 733,000 598,000  -1,318,000 495,000 749,000 687,000  514,000 686,000 661,000 552,000 
      sales and marketing
    15,700,000 15,100,000 15,500,000 14,900,000 14,400,000 14,400,000 14,800,000 13,700,000 13,200,000 12,800,000 12,700,000 13,100,000 13,200,000 13,500,000 13,900,000 13,800,000 14,100,000 13,800,000 12,700,000 7,600,000 7,400,000 6,000,000 5,900,000 5,800,000 5,762,000 5,877,000 5,366,000 5,395,000 5,032,000 3,839,000 3,630,000 3,805,000 3,684,000 3,662,000 3,351,000 3,051,000 3,031,000 2,819,000 2,785,000 2,933,000 3,005,000 2,844,000 2,805,000 2,845,000 2,686,000 2,493,000 2,592,000 2,661,000 2,487,000 2,561,000 2,465,000 2,319,000 1,818,000 1,805,000 1,666,000 1,744,000 1,503,000 1,679,000 2,018,000 2,057,000 1,964,000 1,861,000 1,895,000 1,633,000 1,471,000 1,027,000 1,165,000 1,030,000 1,315,000 1,464,000 1,327,000 1,633,000 1,661,000 1,494,000 1,336,000 1,423,000 1,333,000 1,231,000 1,124,000 956,000  -1,205,000 749,000 864,000 894,000  655,750 978,000 941,000 704,000 
      general and administrative
    41,900,000 48,700,000 46,900,000 48,600,000 44,400,000 46,700,000 43,700,000 44,600,000 46,700,000 39,300,000 35,600,000 40,400,000 44,400,000 46,400,000 46,200,000 47,400,000 44,500,000 43,200,000 49,200,000 34,700,000 33,000,000 30,200,000 33,400,000 33,900,000 42,463,000 29,735,000 29,911,000 27,791,000 26,676,000 26,950,000 16,856,000 15,062,000 15,162,000 13,050,000 12,841,000 11,765,000 11,182,000 11,525,000 10,158,000 10,059,000 11,391,000 10,673,000 10,188,000 11,860,000 9,055,000 9,971,000 8,703,000 9,722,000 9,428,000 8,471,000 8,522,000 9,626,000 10,026,000 10,573,000 6,384,000 6,243,000 5,274,000 5,611,000 6,045,000 5,703,000 5,509,000 5,359,000 4,941,000 5,063,000 4,077,000 3,250,000 3,517,000 5,342,000 5,516,000 5,828,000 6,252,000 6,630,000 6,575,000 5,700,000 6,182,000 6,597,000 5,846,000 5,284,000 3,638,000 2,889,000  -5,192,000 2,200,000 2,807,000 3,312,000  2,560,000 2,884,000 2,099,000 1,476,000 
      impairment of goodwill
      151,100,000                                                                                        
      total operating expenses
    66,400,000 71,600,000 221,300,000 71,100,000 65,900,000 68,200,000 65,600,000 65,300,000 66,500,000 59,500,000 55,500,000 60,600,000 64,600,000 88,100,000 123,900,000 68,000,000 66,300,000 63,500,000 68,000,000 46,500,000 44,500,000 39,700,000 43,100,000 43,100,000 51,839,000 39,246,000 39,198,000 36,617,000 35,767,000 34,073,000 23,401,000 21,896,000 22,110,000 19,434,000 18,966,000 17,722,000 17,031,000 16,791,000 15,302,000 15,268,000 16,655,000 15,869,000 15,394,000 17,271,000 13,437,000 14,270,000 13,093,000 14,150,000 47,610,000 12,442,000 12,476,000 13,202,000 12,962,000 15,750,000 9,338,000 9,393,000 8,039,000 8,542,000 9,500,000 9,365,000 9,009,000 8,675,000 8,226,000 7,753,000 6,325,000 5,048,000 5,430,000 7,288,000 62,940,000 7,776,000 8,185,000 9,048,000 8,946,000 7,842,000 8,303,000 8,862,000 8,093,000 7,321,000 5,495,000 4,443,000  -7,872,000 3,496,000 4,473,000 4,945,000  2,922,250 4,600,000 3,753,000 3,336,000 
      income from operations
    10,900,000 10,600,000 -141,800,000 12,900,000 25,900,000 25,200,000 22,900,000 17,300,000 4,500,000 5,700,000 12,600,000 12,400,000 43,800,000 36,300,000 -5,500,000 45,700,000 62,800,000 50,600,000 31,900,000 40,400,000 33,100,000 34,900,000 30,800,000 22,600,000 4,491,000 8,258,000 8,971,000 8,180,000 10,210,000 922,000 22,664,000 26,908,000 21,957,000 23,262,000 24,405,000 19,773,000 12,670,000 6,700,000 3,719,000 -698,000 -3,314,000 3,079,000 3,428,000 2,648,000 4,926,000 -3,963,000 8,059,000 9,161,000 8,268,000 3,391,000 3,627,000 621,000 -1,411,000 -1,427,000 4,916,000 6,267,000 1,556,000 4,310,000 9,493,000 8,187,000 5,762,000 8,526,000 6,569,000 4,623,000 2,132,000 -1,765,000 -6,284,000 -10,158,000 -62,524,000 -2,308,000 -663,000 3,012,000 2,571,000 5,528,000 7,513,000 7,895,000   5,215,000 3,748,000  3,416,000 -923,000 1,118,000 1,704,000  2,331,000 3,203,000 5,169,000 2,745,000 
      yoy
    -57.92% -57.94% -719.21% -25.43% 475.56% 342.11% 81.75% 39.52% -89.73% -84.30% -329.09% -72.87% -30.25% -28.26% -117.24% 13.12% 89.73% 44.99% 3.57% 78.76% 637.03% 322.62% 243.33% 176.28% -56.01% 795.66% -60.42% -69.60% -53.50% -96.04% -7.13% 36.08% 73.30% 247.19% 556.22% -2932.81% -482.32% 117.60% 8.49% -126.36% -167.28% -177.69% -57.46% -71.09% -40.42% -216.87% 122.19% 1375.20% -685.97% -337.63% -26.22% -90.09% -190.68% -133.11% -48.21% -23.45% -73.00% -49.45% 44.51% 77.09% 170.26% -583.06% -204.54% -145.51% -103.41% -23.53% 847.81% -437.25% -2531.89% -141.75% -108.82% -61.85%   44.07% 110.65%   -665.01% 235.24%   -139.60% -65.10% -67.03%      
      qoq
    2.83% -107.48% -1199.22% -50.19% 2.78% 10.04% 32.37% 284.44% -21.05% -54.76% 1.61% -71.69% 20.66% -760.00% -112.04% -27.23% 24.11% 58.62% -21.04% 22.05% -5.16% 13.31% 36.28% 403.23% -45.62% -7.95% 9.67% -19.88% 1007.38% -95.93% -15.77% 22.55% -5.61% -4.68% 23.43% 56.06% 89.10% 80.16% -632.81% -78.94% -207.63% -10.18% 29.46% -46.24% -224.30% -149.17% -12.03% 10.80% 143.82% -6.51% 484.06% -144.01% -1.12% -129.03% -21.56% 302.76% -63.90% -54.60% 15.95% 42.09% -32.42% 29.79% 42.09% 116.84% -220.79% -71.91% -38.14% -83.75% 2609.01% 248.11% -122.01% 17.15% -53.49% -26.42% -4.84%    39.14%   -470.10% -182.56% -34.39%   -27.22% -38.03% 88.31%  
      operating margin %
    2.15% 2.08% -27.33% 2.49% 4.60% 4.66% 4.44% 3.62% 1.01% 1.31% 2.99% 2.86% 7.73% 5.72% -0.90% 8.10% 10.21% 9.14% 6.19% 9.67% 8.96% 9.61% 8.93% 7.04% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% NaN% NaN% Infinity% Infinity%  Infinity% -Infinity% Infinity% Infinity%  Infinity% Infinity% Infinity% Infinity% 
      interest income
    900,000 1,100,000 800,000 1,100,000 900,000 1,100,000 1,400,000 1,400,000 1,600,000 1,200,000 800,000 500,000 500,000 200,000 100,000  100,000 100,000 100,000 100,000 200,000 200,000 200,000 300,000                                                                   
      interest expense
    -8,400,000 -9,900,000 -10,100,000 -9,900,000 -10,700,000 -12,000,000 -11,700,000 -12,200,000 -12,900,000 -12,300,000 -11,800,000 -11,800,000 -10,800,000 -9,400,000 -7,300,000 -6,400,000 -6,600,000 -6,900,000 -7,100,000 -3,600,000 -3,800,000 -4,100,000 -3,800,000 -5,200,000                                                                   
      other income
    -1,400,000 -1,200,000 -2,200,000 800,000 8,400,000 -4,100,000 17,400,000 -3,800,000   -1,500,000 2,800,000 3,400,000 -2,100,000 -300,000  -1,200,000 -1,400,000 -700,000 -4,300,000 -2,500,000 -1,100,000 600,000 -2,700,000                                                                   
      income before provision for income taxes
    2,000,000 600,000 -153,300,000 4,900,000 24,500,000 10,200,000 30,000,000 2,700,000 -7,800,000 -7,500,000 100,000 3,900,000 36,900,000 25,000,000 -13,000,000 39,300,000 55,100,000 42,400,000 24,200,000 32,600,000 27,000,000 29,900,000 27,800,000 15,000,000    2,861,000 5,023,000 -1,844,000 21,855,000 27,234,000 21,579,000 23,243,000 23,285,000 18,835,000 1,614,500 5,364,000 2,883,000 -1,789,000 -3,477,000 2,323,000  1,692,000     7,615,000 2,423,000 2,897,000 -336,000 2,206,000 -2,240,000  6,162,000   9,126,000 7,819,000   6,424,000  1,953,000 -1,954,000  -10,353,000 -62,568,000 -2,544,000 -909,000 2,668,000 2,224,000 5,068,000 7,054,000 7,364,000      496,000 -893,000 1,146,000 1,731,000      
      provision for income taxes
    5,825,000 8,700,000 7,200,000 7,400,000 7,050,000 9,900,000 8,500,000 9,900,000 -6,200,000 5,300,000 8,300,000 3,500,000 8,500,000 12,100,000 8,700,000 8,500,000 6,300,000 8,400,000 6,200,000 7,000,000 4,300,000 4,800,000 5,700,000 4,500,000                                                                   
      net income
    -600,000 -8,100,000 -160,500,000 -2,500,000 20,000,000 300,000 21,500,000 -7,200,000 -1,600,000 -12,800,000 -8,200,000 400,000 28,400,000 12,900,000 -21,700,000 30,800,000 48,800,000 34,000,000 18,000,000 25,600,000 22,700,000 25,100,000 22,100,000 10,500,000 -9,688,000 888,000 -254,000 1,354,000 -312,000 -6,440,000 18,960,000 24,741,000 20,849,000 19,716,000 20,179,000 14,341,000 9,953,000 2,614,000 723,000 -3,239,000 -15,788,000 1,676,000 2,207,000 1,173,000 3,532,000 -5,262,000 6,032,000 7,056,000 6,371,000 2,048,000 2,316,000 -311,000 -1,729,000 -1,701,000 3,923,000 4,660,000 7,801,000 3,155,000 6,958,000 5,820,000 3,896,000 6,697,000 5,654,000 3,850,000 2,495,000 -1,418,000 -14,063,000 -7,040,000 -52,216,000 -1,928,000 -162,000 1,889,000 2,071,000 3,541,000 5,096,000 5,185,000 4,662,000 5,560,000 3,957,000 2,131,000  1,574,000 -566,000 692,000 1,194,000  2,135,000 1,913,000 3,089,000 1,413,000 
      yoy
    -103.00% -2800.00% -846.51% -65.28% -1350.00% -102.34% -362.20% -1900.00% -105.63% -199.22% -62.21% -98.70% -41.80% -62.06% -220.56% 20.31% 114.98% 35.46% -18.55% 143.81% -334.31% 2726.58% -8800.79% 675.48% 3005.13% -113.79% -101.34% -94.53% -101.50% -132.66% -6.04% 72.52% 109.47% 654.25% 2691.01% -542.76% -163.04% 55.97% -67.24% -376.13% -547.00% -131.85% -63.41% -83.38% -44.56% -356.93% 160.45% -2368.81% -468.48% -220.40% -40.96% -106.67% -122.16% -153.91% -43.62% -19.93% 100.23% -52.89% 23.06% 51.17% 56.15% -572.28% -140.20% -154.69% -104.78% -26.45% 8580.86% -472.68% -2621.29% -154.45% -103.18% -63.57% -55.58% -36.31% 28.78% 143.31%  253.24% -799.12% 207.95%   -126.51% -63.83% -61.35%      
      qoq
    -92.59% -94.95% 6320.00% -112.50% 6566.67% -98.60% -398.61% 350.00% -87.50% 56.10% -2150.00% -98.59% 120.16% -159.45% -170.45% -36.89% 43.53% 88.89% -29.69% 12.78% -9.56% 13.57% 110.48% -208.38% -1190.99% -449.61% -118.76% -533.97% -95.16% -133.97% -23.37% 18.67% 5.75% -2.29% 40.71% 44.09% 280.76% 261.55% -122.32% -79.48% -1042.00% -24.06% 88.15% -66.79% -167.12% -187.23% -14.51% 10.75% 211.08% -11.57% -844.69% -82.01% 1.65% -143.36% -15.82% -40.26% 147.26% -54.66% 19.55% 49.38% -41.82% 18.45% 46.86% 54.31% -275.95% -89.92% 99.76% -86.52% 2608.30% 1090.12% -108.58% -8.79% -41.51% -30.51% -1.72% 11.22% -16.15% 40.51% 85.69%   -378.09% -181.79% -42.04%   11.60% -38.07% 118.61%  
      net income margin %
    -0.12% -1.59% -30.94% -0.48% 3.55% 0.06% 4.17% -1.51% -0.36% -2.94% -1.95% 0.09% 5.01% 2.03% -3.56% 5.46% 7.93% 6.14% 3.49% 6.13% 6.14% 6.91% 6.41% 3.27% -Infinity% Infinity% -Infinity% Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity%  Infinity% -Infinity% Infinity% Infinity%  Infinity% Infinity% Infinity% Infinity% 
      less: net income attributable to noncontrolling interests
    2,700,000 2,800,000 1,500,000 2,500,000 3,700,000 2,600,000 2,400,000 2,200,000 2,200,000 1,700,000 1,200,000 3,800,000 500,000 3,200,000 3,400,000 2,900,000 3,300,000 2,100,000 900,000 600,000 200,000 700,000 800,000 1,100,000                                                                   
      net income attributable to uct
    -3,300,000 -10,900,000 -162,000,000  16,300,000 -2,300,000 19,100,000  -3,800,000 -14,500,000 -9,400,000 -3,400,000 27,900,000 9,700,000 -25,100,000 27,900,000 45,500,000 31,900,000 17,100,000 25,000,000 22,500,000 24,400,000 21,300,000 9,400,000                                                                   
      net income per share
                                                                                              
      basic
    -0.07 -0.24 -3.58 -0.11 0.37 -0.05 0.43 -0.21 -0.09 -0.32 -0.21 -0.08 0.61 0.21 -0.56 0.62 1.02 0.71 0.39 0.62 0.56 0.6 0.53 0.24 -0.26 0.01 -0.01 0.02 -0.04 -0.15 0.49 0.67 0.62 0.59 0.6 0.43  0.08 0.02 -0.1 -0.5 0.05 0.07 0.04 0.12 -0.18 0.2 0.24 0.23 0.07 0.08 -0.01 -0.08 -0.06 0.17 0.2 0.35 0.14 0.31 0.26 0.17 0.31 0.26 0.18 0.11 -0.07 -0.66 -0.33 -2.42 -0.09 -0.01 0.09 0.1 0.17 0.24 0.25 0.22 0.27 0.22 0.13  0.71 -0.03 0.04 0.07  0.13 0.12 0.19 0.14 
      diluted
    -0.07 -0.24 -3.58 -0.11 0.36 -0.05 0.42 -0.21 -0.09 -0.32 -0.21 -0.08 0.6 0.21 -0.56 0.61 0.7 0.39 0.6 0.54 0.59 0.52 0.23 -0.26 0.01 -0.01 0.02 -0.03 -0.15 0.48 0.66 0.6 0.57 0.59 0.42  0.08 0.02 -0.1 -0.5 0.05 0.07 0.04 0.12 -0.18 0.2 0.24 0.22 0.07 0.08 -0.01 -0.07 -0.06 0.17 0.2 0.33 0.14 0.3 0.25 0.16 0.29 0.25 0.17 0.11 -0.07 -0.66 -0.33 -2.42 -0.09 -0.01 0.09 0.09 0.16 0.23 0.24 0.24 0.25 0.21 0.12  0.56 -0.03 0.04 0.07  0.12 0.11 0.18 0.13 
      shares used in computing net income per share:
                                                                                              
      basic
    0.1 45.4 45.2 45.1 0.1 45 44.9 44.6 -0.1 44.8 44.7 44.8  45.4 45.2 44.9 0.7 44.8 43.3 40.6 0.1 40.4 40.1 39.8 -39,323.5 39,557 39,399 39,122 214 38,930 38,802 36,723 67 33,540 33,433 33,061 88 32,759 32,565 32,309 205 31,993 31,615 30,485 59 29,477 29,438 28,877 81 28,451 28,370 27,978 847 27,656 23,292 23,013 23 22,804 22,734 22,468 97 21,891 21,670 21,501 40 21,419 21,379 21,301 -97 21,708 21,643 21,564 53 21,366 21,236 21,113 620 20,737 18,250 16,868  -12,539 16,252 16,217 16,188  536 16,051 16,046 10,110 
      diluted
    0.1 45.4 45.2 45.1 -0.1 45 45.4 44.6 -0.1 44.8 44.7 44.8  45.6 45.2 45.6 0.7 45.4 44.3 41.6 0.2 41.1 40.8 40.7 -39,706.5 40,025 39,399 39,448 174 38,930 39,297 37,491 87 34,360 34,064 33,865 263 33,100 32,792 32,309 -89 32,155 31,777 30,964 24 29,477 29,882 29,918 158 28,979 28,757 27,978 768 27,656 23,710 23,688 -47 23,246 23,482 23,516 45 23,060 23,016 22,918 40 21,419 21,379 21,301 -97 21,708 21,643 22,067 30 22,166 22,045 21,972 25 21,879 19,168 17,787  -12,593 16,252 17,227 17,124  543 16,976 17,204 10,965 
      net loss attributable to uct
       -5,000,000    -9,400,000                                                                                   
      shares used in computing net income loss per share:
                                                                                              
      basic
    0.1 45.4 45.2 45.1 0.1 45 44.9 44.6 -0.1 44.8 44.7 44.8  45.4 45.2 44.9 0.7 44.8 43.3 40.6 0.1 40.4 40.1 39.8 -39,323.5 39,557 39,399 39,122 214 38,930 38,802 36,723 67 33,540 33,433 33,061 88 32,759 32,565 32,309 205 31,993 31,615 30,485 59 29,477 29,438 28,877 81 28,451 28,370 27,978 847 27,656 23,292 23,013 23 22,804 22,734 22,468 97 21,891 21,670 21,501 40 21,419 21,379 21,301 -97 21,708 21,643 21,564 53 21,366 21,236 21,113 620 20,737 18,250 16,868  -12,539 16,252 16,217 16,188  536 16,051 16,046 10,110 
      diluted
    0.1 45.4 45.2 45.1 -0.1 45 45.4 44.6 -0.1 44.8 44.7 44.8  45.6 45.2 45.6 0.7 45.4 44.3 41.6 0.2 41.1 40.8 40.7 -39,706.5 40,025 39,399 39,448 174 38,930 39,297 37,491 87 34,360 34,064 33,865 263 33,100 32,792 32,309 -89 32,155 31,777 30,964 24 29,477 29,882 29,918 158 28,979 28,757 27,978 768 27,656 23,710 23,688 -47 23,246 23,482 23,516 45 23,060 23,016 22,918 40 21,419 21,379 21,301 -97 21,708 21,643 22,067 30 22,166 22,045 21,972 25 21,879 19,168 17,787  -12,593 16,252 17,227 17,124  543 16,976 17,204 10,965 
      product
        503,500,000 479,000,000 452,700,000 418,500,000 389,600,000 380,900,000 362,500,000 368,600,000         299,500,000 294,400,000 277,900,000 259,400,000                                                                   
      shares used in computing net loss per share:
                                                                                              
      basic
    0.1 45.4 45.2 45.1 0.1 45 44.9 44.6 -0.1 44.8 44.7 44.8  45.4 45.2 44.9 0.7 44.8 43.3 40.6 0.1 40.4 40.1 39.8 -39,323.5 39,557 39,399 39,122 214 38,930 38,802 36,723 67 33,540 33,433 33,061 88 32,759 32,565 32,309 205 31,993 31,615 30,485 59 29,477 29,438 28,877 81 28,451 28,370 27,978 847 27,656 23,292 23,013 23 22,804 22,734 22,468 97 21,891 21,670 21,501 40 21,419 21,379 21,301 -97 21,708 21,643 21,564 53 21,366 21,236 21,113 620 20,737 18,250 16,868  -12,539 16,252 16,217 16,188  536 16,051 16,046 10,110 
      diluted
    0.1 45.4 45.2 45.1 -0.1 45 45.4 44.6 -0.1 44.8 44.7 44.8  45.6 45.2 45.6 0.7 45.4 44.3 41.6 0.2 41.1 40.8 40.7 -39,706.5 40,025 39,399 39,448 174 38,930 39,297 37,491 87 34,360 34,064 33,865 263 33,100 32,792 32,309 -89 32,155 31,777 30,964 24 29,477 29,882 29,918 158 28,979 28,757 27,978 768 27,656 23,710 23,688 -47 23,246 23,482 23,516 45 23,060 23,016 22,918 40 21,419 21,379 21,301 -97 21,708 21,643 22,067 30 22,166 22,045 21,972 25 21,879 19,168 17,787  -12,593 16,252 17,227 17,124  543 16,976 17,204 10,965 
      net loss on divestitures
                 20,800,000 56,600,000                                                                            
      other expense
            -200,000 -2,100,000                                                                                 
      total cost of revenues
                362,825,000 510,600,000 490,300,000 450,400,000 296,400,000 439,600,000 415,300,000 330,700,000 203,700,000 288,700,000 270,900,000 255,200,000                                                                   
      gross profit
                89,150,000 124,400,000 118,400,000 113,700,000 75,225,000 114,100,000 99,900,000 86,900,000 53,550,000 74,600,000 73,900,000 65,700,000 35,117,500 47,504,000 48,169,000 44,797,000 45,977,000 34,995,000 46,065,000 48,804,000 44,067,000 42,696,000 43,371,000 37,495,000 29,701,000 23,491,000 19,021,000 14,570,000 13,341,000 18,948,000 18,822,000 19,919,000 18,363,000 10,307,000 21,152,000 23,311,000 21,570,000 15,833,000 16,103,000 13,823,000 11,551,000 14,323,000 14,254,000 15,660,000 9,595,000 12,852,000 18,993,000 17,552,000 14,771,000 17,201,000 14,795,000 12,376,000 8,457,000 3,283,000 -854,000 -2,870,000 416,000 5,468,000 7,522,000 12,060,000 11,517,000 13,370,000 15,816,000 16,757,000 16,414,000 15,371,000 10,710,000 8,191,000  -4,456,000 2,573,000 5,591,000 6,649,000  6,403,000 7,803,000 8,922,000 6,081,000 
      revenues
                            194,957,750 254,323,000 265,367,000 260,141,000                                                               
      cost of goods sold
                            159,840,250 206,819,000 217,198,000 215,344,000 211,412,000 199,084,000 244,148,000 266,038,000 204,819,000 199,914,000 184,890,000 167,099,000 144,844,000 122,663,000 110,810,000 97,659,000 90,079,000 103,868,000 98,727,000 105,399,000 101,652,000 106,734,000 111,525,000 120,913,000 104,698,000 91,350,000 94,004,000 86,641,000 78,516,000 86,526,000 87,695,000 94,905,000 77,278,000 92,454,000 114,748,000 109,167,000 105,532,000 101,285,000 91,083,000 86,091,000 64,324,000 38,041,000 24,106,000 25,270,000 46,654,000 54,660,000 59,842,000 80,297,000 81,241,000 82,165,000 88,906,000 94,035,000 91,085,000 88,694,000 57,759,000 49,004,000  -27,812,000 24,967,000 33,698,000 35,275,000  34,945,000 39,706,000 45,586,000 34,756,000 
      interest and other income
                            -3,800,250 -3,492,000 -6,390,000 -5,319,000 -5,187,000 -2,766,000 -809,000 326,000 -378,000 -19,000 -1,120,000 -938,000 -181,000 -1,336,000 -836,000 -1,091,000 -163,000 -756,000 -359,000 -956,000 -334,000 -437,000 -452,000 -629,000 -664,000 -968,000 -730,000 -957,000 -233,000 -813,000 -14,000 -105,000 -252,500 -275,000 -367,000 -368,000 -133,500 -237,000 -145,000 -155,000 153,000 189,000 228,000 -195,000 -206,500 -236,000 246,000 -344,000 -347,000 -460,000 -459,000 -531,000 -284,750 -616,000 -36,000 -487,000  -525,000 30,000 28,000 27,000      
      income before income tax provision
                            2,552,000 4,766,000 2,581,000                                                                
      income tax provision
                            2,055,000 3,878,000 2,835,000 1,507,000 5,335,000 4,596,000 2,895,000 2,493,000 730,000 3,527,000 3,106,000 4,494,000 2,536,000 2,750,000 2,160,000 1,450,000 12,311,000 647,000 862,000 519,000 1,060,000 862,000 1,575,000  1,244,000 375,000 581,000 -25,000 485,500 -539,000 979,000 1,502,000 -6,341,000 880,000 2,168,000 1,999,000   770,000  -542,000 -536,000  -3,313,000 -10,352,000 -616,000 -747,000 779,000 153,000 1,527,000 1,958,000 2,179,000 3,040,000 1,874,000 1,222,000 1,130,000  166,000 -327,000 454,000 537,000  1,072,250 1,288,000   
      net income attributable to noncontrolling interest
                            268,000 375,000 -52,000 749,000                                                               
      net income attributable to ultra clean holdings, inc.
                            229,000 513,000 -202,000 605,000 -1,108,000 -5,997,000                                                             
      sales
                                209,783,500 234,079,000 290,213,000 314,842,000 248,886,000 242,610,000 228,261,000 204,594,000 174,545,000 146,154,000 129,831,000 112,229,000 103,420,000 122,816,000 117,549,000 125,318,000 120,015,000 117,041,000 132,677,000 144,224,000 126,268,000 107,183,000 110,107,000 100,464,000 90,067,000 100,849,000 101,949,000 110,565,000 86,873,000 105,306,000 133,741,000 126,719,000 120,303,000 118,486,000 105,878,000 98,467,000 72,781,000 41,324,000 23,252,000 22,400,000 47,070,000 60,128,000 67,364,000 92,357,000 92,758,000 95,535,000 104,722,000 110,792,000    57,195,000  27,188,500 27,540,000 39,289,000 41,924,000  41,348,000 47,509,000 54,508,000 40,837,000 
      net loss attributable to noncontrolling interest
                                -110,750 -443,000                                                             
      income before benefit from income taxes
                                              3,069,000  4,592,000 -4,400,000 7,607,000        4,902,000  5,245,000 4,035,000         -6,512,000                        
      income before benefit for income taxes
                                                   8,532,000             4,795,250 8,289,000  4,468,000                           
      income tax benefit
                                                   1,476,000             745,000 1,592,000  618,000   7,551,000                      -2,059,000  
      acquisition costs
                                                         2,063,000                                     
      shares used in computing net income per share
                                                                                              
      basic
    0.1 45.4 45.2 45.1 0.1 45 44.9 44.6 -0.1 44.8 44.7 44.8  45.4 45.2 44.9 0.7 44.8 43.3 40.6 0.1 40.4 40.1 39.8 -39,323.5 39,557 39,399 39,122 214 38,930 38,802 36,723 67 33,540 33,433 33,061 88 32,759 32,565 32,309 205 31,993 31,615 30,485 59 29,477 29,438 28,877 81 28,451 28,370 27,978 847 27,656 23,292 23,013 23 22,804 22,734 22,468 97 21,891 21,670 21,501 40 21,419 21,379 21,301 -97 21,708 21,643 21,564 53 21,366 21,236 21,113 620 20,737 18,250 16,868  -12,539 16,252 16,217 16,188  536 16,051 16,046 10,110 
      diluted
    0.1 45.4 45.2 45.1 -0.1 45 45.4 44.6 -0.1 44.8 44.7 44.8  45.6 45.2 45.6 0.7 45.4 44.3 41.6 0.2 41.1 40.8 40.7 -39,706.5 40,025 39,399 39,448 174 38,930 39,297 37,491 87 34,360 34,064 33,865 263 33,100 32,792 32,309 -89 32,155 31,777 30,964 24 29,477 29,882 29,918 158 28,979 28,757 27,978 768 27,656 23,710 23,688 -47 23,246 23,482 23,516 45 23,060 23,016 22,918 40 21,419 21,379 21,301 -97 21,708 21,643 22,067 30 22,166 22,045 21,972 25 21,879 19,168 17,787  -12,593 16,252 17,227 17,124  543 16,976 17,204 10,965 
      shares used in computing net loss per share
                                                                                              
      basic
    0.1 45.4 45.2 45.1 0.1 45 44.9 44.6 -0.1 44.8 44.7 44.8  45.4 45.2 44.9 0.7 44.8 43.3 40.6 0.1 40.4 40.1 39.8 -39,323.5 39,557 39,399 39,122 214 38,930 38,802 36,723 67 33,540 33,433 33,061 88 32,759 32,565 32,309 205 31,993 31,615 30,485 59 29,477 29,438 28,877 81 28,451 28,370 27,978 847 27,656 23,292 23,013 23 22,804 22,734 22,468 97 21,891 21,670 21,501 40 21,419 21,379 21,301 -97 21,708 21,643 21,564 53 21,366 21,236 21,113 620 20,737 18,250 16,868  -12,539 16,252 16,217 16,188  536 16,051 16,046 10,110 
      diluted
    0.1 45.4 45.2 45.1 -0.1 45 45.4 44.6 -0.1 44.8 44.7 44.8  45.6 45.2 45.6 0.7 45.4 44.3 41.6 0.2 41.1 40.8 40.7 -39,706.5 40,025 39,399 39,448 174 38,930 39,297 37,491 87 34,360 34,064 33,865 263 33,100 32,792 32,309 -89 32,155 31,777 30,964 24 29,477 29,882 29,918 158 28,979 28,757 27,978 768 27,656 23,710 23,688 -47 23,246 23,482 23,516 45 23,060 23,016 22,918 40 21,419 21,379 21,301 -97 21,708 21,643 22,067 30 22,166 22,045 21,972 25 21,879 19,168 17,787  -12,593 16,252 17,227 17,124  543 16,976 17,204 10,965 
      net sales
                                                                                57,432,250 104,065,000 68,469,000            
      incomefrom operations
                                                                                4,253,250 8,050,000             
      income before income taxes
                                                                                3,968,500 7,434,000 5,179,000 3,261,000       2,357,000 3,201,000 5,148,000 2,355,000 
      stock and other deferred compensation
                                                                                     39,250 52,000 53,000 52,000  52,000 52,000   
      interest expense and other
                                                                                          -103,250 -2,000 -21,000  
      stock based compensation
                                                                                            52,000 604,000 
      other income:
                                                                                              
      other income interest expense and other
                                                                                             -390,000 
      income taxes benefit
                                                                                             -942,000 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-12-26 2025-09-26 2025-06-27 2025-03-28 2024-12-27 2024-09-27 2024-06-28 2024-03-29 2023-12-29 2023-09-29 2023-06-30 2023-03-31 2022-12-30 2022-09-30 2022-07-01 2022-04-01 2021-12-31 2021-09-24 2021-06-25 2021-03-26 2020-12-25 2020-09-25 2020-06-26 2020-03-27 2019-12-27 2019-09-27 2019-06-28 2019-03-29 2018-12-28 2018-09-28 2018-06-29 2018-03-30 2017-12-29 2017-09-29 2017-06-30 2017-03-31 2016-12-30 2016-09-23 2016-06-24 2016-03-25 2015-12-25 2015-09-25 2015-06-26 2015-03-27 2014-12-26 2014-09-26 2014-06-27 2014-03-28 2013-12-27 2013-09-27 2013-06-28 2013-03-29 2012-12-28 2012-09-28 2012-06-29 2012-03-30 2011-12-30 2011-09-30 2011-07-01 2011-04-01 2010-12-31 2010-10-01 2010-07-02 2010-04-02 2010-01-01 2009-10-02 2009-07-03 2009-04-03 2009-01-02 2008-09-26 2008-06-27 2008-03-28 2007-12-28 2007-09-28 2007-06-29 2007-03-30 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2004-03-31 
                                                                                              
        assets
                                                                                              
        current assets:
                                                                                              
        cash and cash equivalents
      311,800,000 314,100,000 327,400,000 317,600,000 313,900,000 318,200,000 319,500,000 293,000,000 307,000,000 342,000,000 320,800,000 322,100,000 358,800,000 453,500,000 421,400,000 367,000,000 466,500,000 457,000,000 451,400,000 264,300,000 200,300,000 176,100,000 214,400,000 208,100,000 162,500,000 158,690,000 168,128,000 154,774,000 144,145,000 160,340,000 141,146,000 162,365,000 68,306,000 65,939,000 59,482,000 54,935,000 52,465,000 47,270,000 44,053,000 45,539,000 50,103,000 59,783,000 76,614,000 69,607,000 78,997,000 75,147,000 69,365,000 74,289,000 60,415,000 65,941,000 71,333,000 64,943,000 54,311,000 58,329,000 51,137,000 54,770,000 52,155,000 37,872,000 37,636,000 35,283,000 34,654,000 27,728,000 23,101,000 27,744,000 26,697,000 30,695,000 30,200,000 29,768,000 29,620,000 28,468,000 32,571,000 24,968,000 33,447,000 28,038,000 19,942,000 24,642,000 23,321,000 18,923,000 18,958,000 19,804,000 10,663,000 14,124,000 11,292,000      
        accounts receivable
      208,800,000 199,500,000 206,700,000 217,900,000 241,100,000 228,100,000 206,900,000 194,500,000 180,800,000 170,500,000 178,600,000 190,300,000 253,700,000 236,000,000 243,800,000 279,300,000 250,100,000 232,500,000 210,400,000 168,000,000 145,500,000 145,500,000 138,900,000 113,200,000 112,700,000 110,388,000 98,306,000 110,971,000 106,956,000 95,056,000 98,608,000 83,660,000 90,213,000 107,662,000 101,874,000 94,848,000 74,663,000 65,805,000 73,069,000 66,669,000 59,148,000 57,534,000 57,513,000 69,625,000 61,817,000 57,459,000 67,947,000 72,197,000 67,450,000 49,728,000 47,070,000 49,571,000 50,074,000 47,549,000 41,942,000 48,974,000 41,051,000 47,670,000 57,779,000 58,002,000 54,589,000 46,554,000 45,691,000 45,522,000 34,787,000 15,515,000 10,326,000 10,466,000 13,790,000 28,817,000 26,638,000 47,757,000 34,845,000 42,861,000 49,844,000 47,485,000 44,543,000 47,108,000 51,982,000 26,257,000 19,528,000 15,805,000 17,170,000 18,779,000 13,785,000 15,940,000 21,635,000 19,679,000 
        inventories
      390,900,000 382,200,000 375,600,000 374,600,000 381,000,000 402,600,000 399,900,000 388,100,000 374,500,000 378,300,000 398,800,000 433,000,000 443,900,000 405,100,000 405,100,000 440,300,000 379,200,000 324,600,000 302,000,000 189,200,000 180,400,000 175,300,000 193,800,000 187,000,000 172,400,000 153,549,000 164,055,000 180,299,000 186,116,000 198,578,000 228,570,000 261,798,000 236,840,000 165,303,000 139,705,000 123,037,000 103,861,000 89,015,000 90,302,000 81,995,000 72,716,000                                              18,381,000 15,064,000 
        prepaid expenses and other current assets
      48,200,000 45,600,000 46,100,000 37,700,000 34,100,000 36,900,000 34,500,000 33,100,000 30,900,000 35,000,000 37,200,000 35,800,000 42,400,000 41,500,000 41,500,000 36,100,000 41,300,000 38,600,000 35,500,000 14,700,000 18,900,000 17,200,000 18,700,000 19,600,000 19,400,000                                                                
        total current assets
      959,700,000 941,400,000 955,800,000 947,800,000 970,100,000 985,800,000 960,800,000 908,700,000 893,200,000 925,800,000 935,400,000 981,200,000 1,098,800,000 1,136,100,000 1,111,800,000 1,122,700,000 1,137,100,000 1,052,700,000 999,300,000 636,200,000 545,100,000 514,100,000 565,800,000 527,900,000 467,000,000 442,910,000 454,591,000 474,100,000 462,925,000 484,847,000 483,439,000 521,048,000 407,448,000 350,364,000 307,890,000 279,041,000 237,450,000 209,031,000 214,315,000 200,720,000 190,139,000 205,379,000 211,185,000 211,015,000 208,447,000 198,074,000 214,703,000 222,730,000 200,459,000 173,027,000 173,913,000 172,327,000 165,119,000 176,588,000 143,894,000 169,509,000 154,120,000 155,025,000 174,144,000 165,575,000 154,466,000 142,340,000 126,650,000 132,306,000 114,465,000 88,405,000 77,604,000 85,786,000 94,492,000 116,045,000 111,637,000 127,835,000 125,341,000 130,183,000 123,765,000 129,047,000 121,267,000 119,574,000 120,919,000 78,292,000 53,263,000 48,426,000 45,792,000 51,417,000  46,590,000 50,554,000 83,275,000 
        property, plant and equipment
      324,600,000 329,100,000 336,700,000 328,600,000 325,900,000 327,700,000 326,600,000 329,200,000 328,300,000 308,900,000 306,500,000 289,900,000 279,600,000 242,300,000 248,600,000 250,100,000 242,300,000 227,900,000 218,300,000 157,300,000 159,200,000 150,500,000 148,100,000 143,400,000 145,300,000 143,719,000                                                               
        goodwill
      114,200,000 114,200,000 114,200,000 265,300,000 265,300,000 265,300,000 265,200,000 265,200,000 265,200,000 248,800,000 248,800,000 248,800,000 248,800,000 248,800,000 250,700,000 268,500,000 270,000,000 263,600,000 257,200,000 171,100,000 171,100,000 171,100,000 171,100,000 171,100,000 171,100,000 169,557,000 166,654,000 150,226,000 150,226,000 151,869,000 85,248,000 85,248,000 85,248,000 85,248,000 85,248,000 85,248,000 85,248,000 85,248,000 85,248,000 85,248,000 85,248,000 84,495,000 74,298,000 74,298,000 55,918,000 55,918,000 55,918,000 55,918,000 55,918,000 55,918,000 55,918,000 56,662,000 56,662,000 56,899,000                34,063,000 34,196,000 34,196,000 34,196,000 34,248,000 34,248,000 33,744,000 33,490,000 32,058,000 31,857,000 6,084,000 6,084,000 6,110,000 6,617,000 6,617,000 6,617,000 6,617,000 6,617,000 6,617,000 
        intangible assets
      156,800,000 163,700,000 170,600,000 177,600,000 184,900,000 192,400,000 200,000,000 207,600,000 215,300,000 170,900,000 176,500,000 182,000,000 187,900,000 194,800,000 207,400,000  245,700,000                                                             22,850,000 23,587,000          
        deferred tax assets
      3,500,000 3,100,000 2,800,000 3,500,000 3,100,000 3,600,000 3,100,000 3,300,000 3,100,000 36,500,000 37,000,000 36,600,000 36,000,000 37,300,000 37,200,000 36,600,000 37,600,000 23,100,000 23,300,000 22,300,000 23,500,000 15,800,000 15,500,000 13,900,000 15,500,000 12,274,000 12,244,000 10,201,000 10,167,000 4,918,000 5,067,000 5,032,000 4,951,000 1,098,000 1,111,000 1,262,000 1,355,000        3,777,000 3,726,000 4,072,000 4,072,000 4,071,000    2,856,000    1,992,000                                
        operating lease right-of-use assets
      157,200,000 156,900,000 153,900,000 157,200,000 161,000,000 162,200,000 161,300,000 163,400,000 151,700,000 144,500,000 128,300,000 114,800,000 99,000,000 87,200,000 79,200,000 86,800,000 83,400,000 87,000,000 69,800,000 41,700,000 37,800,000 38,100,000 38,900,000 35,600,000 34,900,000 33,055,000 34,721,000 32,892,000                                                             
        other non-current assets
      13,000,000 12,100,000 11,600,000 11,000,000 9,600,000 10,500,000 10,300,000 10,200,000 10,900,000 10,100,000 11,200,000 12,600,000 10,800,000 9,500,000 10,500,000 9,300,000 9,300,000 8,700,000 8,300,000 6,400,000 5,300,000 5,200,000 5,000,000 4,900,000 5,200,000 5,953,000 5,743,000 6,091,000 5,193,000 8,072,000 1,830,000 2,181,000 1,932,000 1,769,000 1,565,000 1,007,000 762,000 743,000 753,000 725,000 717,000 705,000 754,000 747,000 667,000 374,000 377,000 374,000 583,000 6,417,000 6,244,000 6,486,000 530,000 5,372,000 5,177,000 5,186,000 417,000 590,000 598,000 592,000 571,000 366,000 386,000 395,000 408,000 286,000 306,000 4,906,000 4,978,000 509,000 548,000 593,000 633,000 847,000 757,000 711,000 745,000 780,000 331,000 234,000 231,000 233,000 326,000 284,000 276,000 344,000 367,000 359,000 
        total assets
      1,729,000,000 1,720,500,000 1,745,600,000 1,891,000,000 1,919,900,000 1,947,500,000 1,927,300,000 1,887,600,000 1,867,700,000 1,845,500,000 1,843,700,000 1,865,900,000 1,960,900,000 1,956,000,000 1,945,400,000 2,011,600,000 2,025,400,000 1,924,000,000 1,846,700,000 1,190,600,000 1,102,500,000 1,060,300,000 1,114,800,000 1,072,200,000 1,019,300,000 992,877,000 1,008,958,000 1,003,245,000 965,477,000 986,632,000 643,745,000 680,837,000 563,412,000 500,753,000 453,843,000 423,280,000 380,697,000 352,295,000 358,336,000 345,950,000 336,153,000 356,106,000 341,552,000 342,713,000 296,142,000 284,353,000 303,827,000 312,935,000 292,543,000 267,353,000 269,330,000 270,412,000 265,929,000 278,401,000 166,820,000 193,200,000 178,299,000 174,895,000 193,985,000 184,641,000 172,995,000 160,026,000 144,384,000 149,535,000 131,310,000 105,041,000 94,709,000 108,072,000 117,411,000 190,634,000 186,947,000 199,960,000 195,027,000 197,846,000 191,271,000 195,193,000 187,047,000 185,776,000 186,682,000 100,071,000 75,009,000 70,320,000 68,424,000 74,236,000 67,698,000 68,154,000 71,857,000 104,411,000 
        liabilities and stockholders’ equity
                                                                                              
        current liabilities:
                                                                                              
        bank borrowings
      9,900,000 9,900,000 10,000,000 10,000,000 16,000,000 16,400,000 16,300,000 17,000,000  17,600,000 17,800,000 22,700,000 20,800,000 20,100,000 22,300,000 19,500,000 22,100,000 23,200,000 21,600,000 8,000,000 7,400,000 7,500,000 7,700,000 8,300,000 8,800,000 9,013,000 7,203,000 9,686,000 9,671,000 42,818,000 54,826,000 54,779,000 12,381,000 15,518,000 16,117,000 16,108,000 16,819,000 15,196,000 12,992,000 13,789,000 12,744,000 11,207,000 6,514,000 4,847,000 9,541,000 37,857,000 43,857,000 48,825,000 37,705,000 36,706,000 48,706,000 48,706,000 48,706,000 48,523,000 2,736,000 2,708,000 2,931,000 3,071,000 3,333,000 3,762,000 4,110,000 1,702,000 1,957,000 2,027,000 2,008,000 1,989,000 1,971,000 2,654,000 5,736,000 3,074,000 3,400,000 3,383,000 3,575,000 3,559,000 3,543,000 3,414,000 4,206,000 4,981,000 6,172,000 1,600,000 2,343,000 2,341,000 2,326,000 726,000     
        accounts payable
      194,900,000 191,200,000 202,200,000 207,400,000 212,500,000 233,200,000 229,000,000 215,700,000 192,900,000 187,500,000 183,500,000 196,000,000 253,500,000 271,300,000 259,400,000 288,100,000 332,900,000 271,300,000 231,000,000 164,900,000 121,300,000 111,400,000 140,100,000 129,300,000 133,100,000 101,008,000 97,288,000 99,204,000 99,011,000 95,178,000 113,803,000 169,592,000 173,521,000 130,539,000 104,089,000 95,522,000 71,189,000 51,954,000 64,712,000 52,951,000 39,660,000 47,503,000 46,476,000 50,128,000 48,944,000 42,444,000 45,525,000 55,381,000 53,962,000 37,770,000 30,069,000 34,587,000 23,485,000 34,084,000 25,797,000 39,050,000 29,451,000 26,931,000 48,916,000 48,740,000 45,957,000 51,094,000 43,323,000 54,304,000 46,098,000 23,103,000 11,192,000 10,693,000 11,275,000 28,196,000 22,559,000 38,251,000 36,817,000 33,566,000 32,979,000 40,504,000 37,583,000 39,792,000 44,319,000 24,260,000 14,188,000 10,943,000 8,526,000 16,822,000 12,302,000 15,431,000 19,721,000 22,354,000 
        accrued compensation and related benefits
      51,100,000 49,600,000 47,600,000 39,700,000 50,100,000 47,900,000 49,200,000 37,100,000 47,700,000 40,800,000 40,000,000 37,800,000 52,500,000 47,500,000 50,700,000 40,800,000 46,800,000 52,000,000 43,900,000 30,900,000 34,500,000 30,800,000 27,700,000 25,000,000 24,800,000 24,552,000 19,198,000 18,912,000 15,846,000 18,981,000 9,416,000 11,004,000 10,788,000 12,510,000 10,981,000 10,822,000 7,904,000 6,992,000 7,199,000 5,000,000 6,536,000 5,882,000 6,410,000 5,310,000 5,308,000 5,071,000 6,902,000 5,519,000 5,730,000 4,161,000 5,048,000 3,194,000 4,611,000 4,061,000 3,924,000 2,968,000 2,803,000 3,231,000 5,137,000 3,870,000 3,689,000 3,383,000 4,320,000 2,878,000 2,378,000 1,157,000 1,284,000 963,000 2,320,000 3,012,000 2,359,000 3,747,000 3,006,000 4,120,000 3,615,000 4,000,000 4,021,000 3,658,000 3,274,000 1,666,000 769,000 1,082,000 1,000,000 1,475,000 1,546,000    
        operating lease liabilities
      20,200,000 18,600,000 18,600,000 18,600,000 18,600,000 19,000,000 18,700,000 18,300,000 18,100,000 16,500,000 17,600,000 17,400,000 17,100,000 16,100,000 15,400,000 17,300,000 17,300,000 18,200,000 16,000,000 12,400,000 11,700,000 12,100,000 12,100,000 13,400,000 13,200,000 11,578,000 11,295,000 10,554,000                                                             
        other current liabilities
      24,600,000 24,100,000 33,600,000 37,500,000 38,400,000 42,300,000 38,200,000 41,300,000 33,700,000 31,200,000 35,400,000 39,800,000 45,300,000 52,400,000 47,600,000 51,900,000 50,000,000 46,300,000 42,500,000 46,900,000 26,300,000 33,500,000 39,300,000 37,000,000 30,700,000 16,496,000 19,985,000 18,337,000 14,770,000 17,962,000 10,143,000 9,441,000 9,987,000 11,020,000 10,441,000 8,039,000 4,515,000 10,208,000 7,251,000 7,372,000 5,187,000 5,371,000 2,307,000 2,738,000 2,130,000 2,739,000 3,118,000 3,122,000 2,385,000 2,040,000 2,267,000 1,894,000 2,418,000 2,422,000 2,191,000 1,324,000 662,000 7,411,000 5,973,000 5,321,000 3,195,000 1,847,000 1,016,000 3,247,000 1,830,000 2,747,000 2,671,000 1,742,000 1,563,000 1,670,000 1,230,000 791,000 1,412,000 2,907,000 2,625,000 1,327,000 1,454,000     1,271,000 1,383,000 964,000     
        total current liabilities
      300,700,000 293,400,000 312,000,000 313,200,000 335,600,000 358,800,000 351,400,000 329,400,000 310,000,000 293,600,000 294,300,000 313,700,000 389,200,000 407,400,000 395,400,000 417,600,000 469,100,000 411,000,000 355,000,000 263,100,000 201,200,000 195,300,000 226,900,000 213,000,000 210,600,000 162,647,000 154,969,000 156,693,000 139,298,000 175,623,000 188,868,000 245,492,000 207,347,000 170,248,000 142,279,000 131,132,000 101,061,000 85,023,000 92,892,000 79,704,000 64,711,000 70,525,000 62,210,000 63,465,000 66,168,000 88,398,000 99,683,000 113,120,000 100,044,000 80,935,000 86,657,000 88,778,000 79,236,000 90,085,000 35,616,000 46,976,000 36,742,000 41,508,000 64,192,000 62,494,000 57,721,000 58,868,000 51,409,000 63,279,000 53,054,000 28,996,000 17,118,000 16,555,000 21,295,000 35,952,000 29,548,000 46,204,000 44,843,000 44,190,000 42,808,000 51,788,000 49,680,000 51,686,000 58,422,000 31,161,000 19,374,000 15,713,000 13,312,000 20,090,000  17,673,000 23,289,000 28,291,000 
        bank borrowings, net of current portion
      467,000,000 466,500,000 468,400,000 470,900,000 476,500,000 475,800,000 478,300,000 458,200,000  464,100,000 467,100,000 470,000,000 493,000,000 509,200,000 524,000,000 530,900,000 529,900,000 545,100,000 573,100,000 259,800,000 261,600,000 272,600,000 322,100,000 323,900,000 283,400,000 304,172,000 330,895,000 329,810,000 331,549,000 330,984,000   39,893,000 41,810,000 44,691,000 48,056,000 50,931,000 54,023,000 56,934,000 59,870,000 62,795,000 65,716,000 67,877,000 70,756,000                                             
        deferred tax liabilities
      13,800,000 16,400,000 16,200,000 16,200,000 16,100,000 18,900,000 18,900,000 18,900,000 19,000,000 52,500,000 52,400,000 52,300,000 52,200,000 54,900,000 55,100,000 54,800,000 54,900,000 44,400,000 45,500,000 33,600,000 33,600,000 25,200,000 25,200,000 24,600,000 25,200,000                                                                
        other liabilities
      6,800,000 7,800,000 7,800,000 7,000,000 6,700,000 16,000,000 14,600,000 38,600,000 37,300,000 9,200,000 9,200,000 9,300,000 9,200,000 13,400,000 13,300,000 13,200,000 12,900,000 13,700,000 30,100,000 23,600,000 23,800,000 17,500,000 19,000,000 19,100,000 18,800,000    27,808,000                                                            
        total liabilities
      944,900,000 939,200,000 955,800,000 954,200,000 984,100,000 1,025,100,000 1,015,600,000 998,500,000 970,500,000 950,400,000 937,500,000 940,900,000 1,023,900,000 1,053,900,000 1,049,900,000 1,085,300,000 1,132,700,000 1,083,700,000 1,058,000,000 614,000,000 551,300,000 541,800,000 626,600,000 609,400,000 566,800,000 536,151,000 554,470,000 549,716,000 514,489,000 539,884,000 204,418,000 261,301,000 263,107,000 224,073,000 199,175,000 191,507,000 164,566,000 147,390,000 158,058,000 147,525,000 135,210,000 141,267,000 132,902,000 137,122,000 107,590,000 100,954,000 114,695,000 131,128,000 120,614,000 103,937,000 109,281,000 113,756,000 109,149,000 121,150,000 38,544,000 70,335,000 61,014,000 66,550,000 89,883,000 89,054,000 85,486,000 78,190,000 71,181,000 83,681,000 70,131,000 46,972,000 35,803,000 36,082,000 39,012,000 58,483,000 52,856,000 67,001,000 65,539,000 71,910,000 71,516,000 82,003,000 79,879,000 85,853,000 93,059,000 31,501,000 19,728,000 16,081,000 13,698,000 20,496,000 15,223,000 18,119,000 23,753,000 59,393,000 
        commitments and contingencies
                                                                                              
        equity:
                                                                                              
        uct stockholders’ equity:
                                                                                              
        preferred stock — 0.001 par value...
                                                                                              
        common stock — 0.001 par value...
      100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 40,000 40,000 40,000 40,000 39,000 39,000 39,000 34,000 34,000 34,000 34,000 33,000 33,000 33,000 33,000 32,000 32,000 32,000 32,000 30,000 30,000 30,000 29,000 29,000 145,763,000 144,444,000 143,367,000  142,065,000 111,369,000 109,932,000  107,699,000 106,611,000 105,054,000  101,019,000 99,083,000 97,388,000 96,563,000 95,948,000 95,367,000 94,388,000 93,757,000 93,119,000 91,968,000 90,674,000 89,092,000 87,611,000 84,971,000 83,620,000 82,198,000 79,463,000 78,723,000 57,627,000 46,819,000 46,524,000 46,497,000   45,984,000 46,019,000 46,074,000 
        additional paid-in capital
      578,700,000 572,800,000 568,800,000 561,300,000 558,400,000 552,600,000 548,200,000 545,000,000 541,500,000 537,300,000 533,300,000 534,300,000 530,800,000 526,500,000 521,900,000 520,500,000 514,900,000 510,400,000 506,100,000 316,300,000 312,800,000 309,200,000 306,000,000 304,000,000 300,900,000 297,976,000 294,932,000 292,487,000 290,424,000 287,293,000 285,390,000 283,665,000 188,639,000 186,159,000 184,409,000 182,963,000 181,781,000 180,048,000 178,132,000 176,940,000 176,280,000 174,390,000 169,857,000 169,005,000 153,141,000 151,520,000 151,990,000 150,700,000 147,876,000                                        
        common shares held in treasury, at cost, 1.7 and 1.5 shares at december 26, 2025 and december 27, 2024, respectively
      -48,400,000                                                                                        
        retained earnings
      189,200,000 192,500,000 203,400,000 365,400,000 370,400,000 354,100,000 356,400,000 337,300,000 346,700,000 350,500,000 365,000,000 374,400,000 377,800,000 349,900,000 340,200,000 365,300,000 337,400,000 291,900,000 260,000,000 242,900,000 217,900,000 195,400,000 171,000,000 149,700,000 140,300,000 150,634,000 150,121,000 150,323,000 149,718,000 150,826,000 156,823,000 137,863,000 113,122,000 92,273,000 72,557,000 52,378,000 38,037,000 28,084,000 25,470,000 24,747,000 27,986,000 43,774,000 42,098,000 39,891,000 38,718,000 35,186,000 40,449,000 34,415,000 27,361,000 20,990,000 18,942,000 16,626,000 16,937,000 18,666,000 20,367,000 16,444,000  3,983,000 828,000          -12,021,000 40,195,000 42,123,000 42,285,000 40,396,000 38,325,000 34,784,000 29,688,000 25,122,000 20,460,000 14,900,000 10,943,000 8,812,000 8,129,000 8,695,000 8,003,000 6,809,000 4,674,000 2,761,000  
        accumulated other comprehensive loss
      -8,600,000 -7,100,000 -4,500,000 -9,800,000 -10,300,000 -3,900,000 -7,400,000 -6,500,000 -4,400,000 -10,800,000 -9,500,000 -8,500,000 -5,400,000 -16,500,000        -1,300,000 -3,300,000 -4,600,000 -1,300,000 -4,349,000 -2,655,000 -1,423,000     1,847,000   -265,000 -383,000  -20,000  -18,000             -143,000 -123,000 -174,000                                 
        total uct stockholders' equity
      711,000,000    873,600,000 857,900,000 852,300,000 830,900,000 838,900,000 838,000,000 849,800,000 870,700,000 887,900,000 856,700,000 845,600,000 879,600,000 848,900,000 800,000,000 767,500,000 557,600,000 532,600,000 500,100,000 470,500,000 445,900,000 436,700,000                                                                
        noncontrolling interests
      73,100,000 71,400,000 70,400,000 64,800,000 62,200,000 64,500,000 59,400,000 58,200,000 58,300,000 57,100,000 56,400,000 54,300,000 49,100,000 45,400,000 49,900,000 46,700,000 43,800,000 40,300,000 21,200,000 19,000,000 18,600,000 18,400,000 17,700,000 16,900,000 15,800,000                                                                
        total equity
      784,100,000 781,300,000 789,800,000 936,800,000 935,800,000 922,400,000 911,700,000 889,100,000 897,200,000 895,100,000 906,200,000 925,000,000 937,000,000 902,100,000 895,500,000 926,300,000 892,700,000 840,300,000 788,700,000 576,600,000 551,200,000 518,500,000 488,200,000 462,800,000 452,500,000                                                                
        total liabilities and equity
      1,729,000,000 1,720,500,000 1,745,600,000 1,891,000,000 1,919,900,000 1,947,500,000 1,927,300,000 1,887,600,000 1,867,700,000 1,845,500,000 1,843,700,000 1,865,900,000 1,960,900,000    2,025,400,000    1,102,500,000 1,060,300,000 1,114,800,000 1,072,200,000 1,019,300,000                                                                
        common shares held in treasury, at cost, 1.7 and 1.5 shares at september 26, 2025 and december 27, 2024, respectively
       -48,400,000                                                                                       
        total uct stockholders’ equity
       709,900,000 719,400,000 872,000,000                                                                                     
        common shares held in treasury, at cost, 1.7 and 1.5 shares at june 27, 2025 and december 27, 2024, respectively
        -48,400,000                                                                                      
        common shares held in treasury, at cost, 1.5 and 1.5 shares at march 28, 2025 and december 27, 2024, respectively
         -45,000,000                                                                                     
        common shares held in treasury, at cost, 1.5 and 1.5 shares at december 27, 2024 and december 29, 2023, respectively
          -45,000,000                                                                                    
        common shares held in treasury, at cost, 1.5 and 1.5 shares at september 27, 2024 and december 29, 2023, respectively
           -45,000,000                                                                                   
        common shares held in treasury, at cost, 1.5 and 1.5 shares at june 28, 2024 and december 29, 2023, respectively
            -45,000,000                                                                                  
        common shares held in treasury, at cost, 1.5 and 1.5 shares at march 29, 2024 and december 29, 2023, respectively
             -45,000,000                                                                                 
        bank borrowings, net of unamortized issuance cost of 4.1 and 3.9 at december 29, 2023 and december 30, 2022, respectively
              17,600,000                                                                                
        bank borrowings, less of current portion, net of unamortized issuance cost of 2.4 and 6.3 at december 29, 2023 and december 30, 2022, respectively
              461,200,000                                                                                
        common shares held in treasury, at cost, 1.5 and 0.9 shares at december 29, 2023 and december 30, 2022, respectively
              -45,000,000                                                                                
        common shares held in treasury, at cost, 1.7 and 0.9 shares at september 29, 2023 and december 30, 2022, respectively
               -39,100,000                                                                               
        common shares held in treasury, at cost, 1.7 and 0.9 shares at june 30, 2023 and december 30, 2022, respectively
                -39,100,000                                                                              
        common shares held in treasury, at cost, 1.4 and 0.9 shares at march 31, 2023 and december 30, 2022, respectively
                 -29,600,000                                                                             
        common shares held in treasury, at cost, 0.9 and 0.6 shares at december 30, 2022 and december 31, 2021, respectively
                  -15,400,000                                                                            
        common shares held in treasury, at cost, 0.6 shares at september 30, 2022 and december 31, 2021
                   -3,300,000                                                                           
        total liabilities and stockholders' equity
                   1,956,000,000 1,945,400,000 2,011,600,000  1,924,000,000 1,846,700,000 1,190,600,000                                                                     
        common shares held in treasury, at cost, 0.6 shares at july 1, 2022 and december 31, 2021
                    -3,300,000                                                                          
        accumulated other comprehensive gain
                    -13,300,000 -3,000,000  900,000 4,600,000 1,600,000          -43,000 412,000 1,306,000  1,551,000 1,005,000                                                      
        intangibles assets
                     237,600,000  261,000,000 270,500,000 155,600,000 160,500,000 165,500,000 170,400,000 175,400,000 180,300,000                                                                
        common shares held in treasury, at cost, 0.6 shares at april 1, 2022 and december 31, 2021
                     -3,300,000                                                                         
        common shares held in treasury, at cost, 0.6 shares at december 31, 2021 and december 25, 2020
                      -3,300,000                                                                        
        accumulated other comprehensive income
                      -200,000    5,100,000        -547,000         77,000  42,000  -20,000                                               
        common shares held in treasury, at cost, 0.6 shares at september 24, 2021 and december 25, 2020
                       -3,300,000                                                                       
        common shares held in treasury, at cost, 0.6 shares at june 25, 2021 and december 25, 2020
                        -3,300,000                                                                      
        common shares held in treasury, at cost, 0.6 shares at march 26, 2021 and december 25, 2020
                         -3,300,000                                                                     
        common shares held in treasury, at cost, 0.6 shares at december 25, 2020 and december 27, 2019
                          -3,300,000                                                                    
        common shares held in treasury, at cost, 0.6 shares at september 25, 2020 and december 27, 2019
                           -3,300,000                                                                   
        common shares held in treasury, at cost, 0.6 shares at june 26, 2020 and december 27, 2019
                            -3,300,000                                                                  
        common shares held in treasury, at cost, 0.6 shares at march 27, 2020 and december 27, 2019
                             -3,300,000                                                                 
        common shares held in treasury, at cost, 0.6 shares at december 27, 2019 and december 28, 2018
                              -3,300,000                                                                
        prepaid expenses and other
                               20,283,000 24,102,000 28,056,000 25,708,000 30,873,000 15,115,000 13,225,000 12,089,000 11,460,000 6,829,000 6,221,000 6,461,000 6,941,000 6,891,000 6,517,000 8,172,000 8,522,000 8,634,000 8,094,000 7,006,000 6,389,000 6,259,000 4,711,000 4,581,000 7,065,000 6,838,000 6,642,000 3,913,000 7,406,000 6,364,000 4,767,000 3,449,000 10,216,000 8,858,000 7,138,000 5,935,000 4,017,000 2,800,000 2,346,000 6,005,000 5,624,000 5,056,000 5,208,000 8,817,000 5,792,000 4,839,000 2,744,000 4,110,000 3,240,000 1,011,000 1,058,000 1,303,000 1,720,000 2,619,000 2,385,000 1,672,000 2,532,000 1,487,000 1,465,000 1,960,000 1,262,000 499,000 224,000 
        purchased intangibles
                               185,409,000 190,500,000 188,653,000 193,507,000 203,180,000 29,392,000 30,489,000 31,587,000 33,331,000 34,562,000 35,793,000 37,024,000 38,464,000 39,903,000 41,342,000 42,782,000 44,952,000 37,702,000 39,057,000 16,824,000 18,045,000 19,266,000 20,487,000 21,708,000 23,235,000 24,761,000 26,203,000 27,702,000 29,651,000 8,987,000 8,987,000 8,987,000 8,987,000 8,987,000 8,987,000 8,987,000 8,987,000 8,987,000 8,987,000 8,987,000 8,987,000 8,987,000 8,987,000 8,987,000 19,750,000 20,087,000 20,425,000 20,762,000 21,100,000 21,437,000 21,775,000 22,112,000            
        deferred tax liability
                               23,411,000 21,449,000 15,834,000 15,834,000 9,868,000 9,868,000 10,017,000 9,981,000 9,607,000 9,753,000 9,766,000 9,917,000 5,797,000 5,305,000 4,914,000 4,519,000 1,743,000                                   2,523,000 5,434,000 5,723,000          
        other non-current liabilities
                               22,112,000 21,501,000 22,247,000  23,409,000                                                           
        stockholders’ equity:
                                                                                              
        common shares held in treasury, at cost, 601,944 shares in 2019 and 2018
                               -3,337,000 -3,337,000 -3,337,000                                                             
        ultra clean holdings, inc. stockholders' equity
                               440,964,000 439,101,000 438,090,000 436,298,000 434,778,000                                                           
        noncontrolling interest
                               15,762,000 15,387,000 15,439,000 14,690,000 11,970,000                                                           
        total stockholders’ equity
                               456,726,000 454,488,000 453,529,000 450,988,000 446,748,000 439,327,000 419,536,000 300,305,000 276,680,000 254,668,000 231,773,000 216,131,000 204,905,000 200,278,000 198,425,000 200,943,000 214,839,000 208,650,000 205,591,000 188,552,000 183,399,000 189,132,000 181,807,000 171,929,000 163,416,000 160,049,000 156,656,000 156,780,000 157,251,000 128,276,000 122,865,000 117,285,000 108,345,000 104,102,000 95,587,000 87,509,000 81,836,000 73,203,000 65,854,000 61,179,000 58,069,000 58,906,000 71,990,000 78,399,000 132,151,000 134,091,000 132,959,000 129,488,000 125,936,000 119,755,000 113,190,000 107,168,000 99,923,000 93,623,000 68,570,000 55,281,000 54,239,000 54,726,000 53,740,000  50,035,000 48,104,000 45,018,000 
        total liabilities and stockholders’ equity
                               992,877,000 1,008,958,000 1,003,245,000 965,477,000 986,632,000 643,745,000 680,837,000 563,412,000 500,753,000 453,843,000 423,280,000 380,697,000 352,295,000 358,336,000 345,950,000 336,153,000 356,106,000 341,552,000 342,713,000 296,142,000 284,353,000 303,827,000 312,935,000 292,543,000 267,353,000 269,330,000 270,412,000 265,929,000 278,401,000 166,820,000 193,200,000 178,299,000 174,895,000 193,985,000 184,641,000 172,995,000 160,026,000 144,384,000 149,535,000 131,310,000 105,041,000 94,709,000 108,072,000 117,411,000 190,634,000 186,947,000 199,960,000 195,027,000 197,846,000 191,271,000 195,193,000 187,047,000 185,776,000 186,682,000 100,071,000 75,009,000 70,320,000 68,424,000 74,236,000 67,698,000 68,154,000 71,857,000 104,411,000 
        property and equipment
                                144,505,000 141,082,000  133,746,000                                                           
        equipment, real estate and leasehold improvements
                                  143,459,000                                                            
        common shares held in treasury, at cost, 601,944 shares in 2018 and 2017
                                  -3,337,000 -3,337,000 -3,337,000 -3,337,000                                                         
        deferred rent, current portion
                                   684,000 680,000 676,000 670,000 661,000 651,000 641,000 634,000 673,000 738,000 592,000 584,000 562,000 503,000 442,000 245,000 287,000 281,000 273,000 262,000 258,000 567,000 397,000 16,000 995,000 968,000 926,000 895,000 864,000 833,000 801,000 770,000 842,000 793,000 823,000 740,000   503,000 401,000                    
        equipment and leasehold improvements
                                    38,769,000 36,839,000 32,246,000 28,943,000 23,467,000 20,929,000 18,858,000 18,809,000 18,117,000 17,915,000 17,267,000 16,968,000 14,850,000 14,476,000 10,841,000 8,066,000 8,207,000 8,167,000 8,534,000 8,756,000 8,494,000 8,734,000 9,282,000 9,891,000 8,762,000 9,518,000 10,009,000 10,293,000 10,256,000 9,487,000 8,971,000 8,333,000 8,361,000 7,847,000 7,450,000 7,363,000 7,812,000 8,393,000 8,954,000 20,267,000 20,479,000 16,911,000 14,095,000 11,468,000 11,064,000 9,916,000 9,433,000 8,382,000 7,856,000 4,342,000 4,312,000 4,796,000 4,934,000 5,163,000  4,034,000 3,738,000 3,556,000 
        deferred rent and other liabilities
                                    5,682,000 5,792,000 5,886,000 2,408,000 2,452,000 2,553,000 2,657,000 2,547,000 2,927,000 3,037,000 3,185,000 3,283,000 2,815,000 2,901,000 2,808,000 2,921,000 2,999,000 3,084,000 3,149,000 3,203,000 2,947,000 2,922,000 2,979,000 1,753,000 1,990,000 2,244,000 2,470,000 2,559,000 2,791,000 3,022,000 3,223,000 3,423,000 3,623,000 3,824,000 3,985,000 4,375,000 4,549,000 4,894,000 4,982,000 5,126,000 5,319,000                  
        common shares held in treasury, at cost, 601,944 shares in 2017 and 2016
                                      -3,337,000                                                        
        common shares held in treasury, at cost, 601,944 shares in 2017 and 2016, respectively
                                       -3,337,000 -3,337,000 -3,337,000                                                     
        common shares held in treasury, at cost, 601,944 shares in 2016 and 2015, respectively
                                          -3,337,000   -3,337,000                                                 
        common shares held in treasury, at cost, 601,944 shares in 2016 and 2015
                                           -3,337,000 -3,337,000                                                  
        common shares held in treasury, at cost, 601,944 shares in 2015 and 2014, respectively
                                              -3,337,000                                                
        inventory
                                               75,564,000 64,647,000 59,912,000 56,850,000 55,353,000 67,060,000 67,461,000 63,942,000 50,293,000 48,672,000 51,171,000 53,965,000 63,304,000 44,451,000 60,998,000 55,473,000 59,267,000 69,871,000 65,152,000 59,288,000 64,041,000 55,058,000 56,694,000 46,976,000 36,571,000 32,022,000 37,893,000 39,814,000 49,013,000 43,634,000 48,411,000 49,342,000 51,189,000 48,361,000 51,487,000 47,914,000 49,414,000 45,105,000 27,552,000 19,106,000 13,625,000 13,503,000 17,990,000 15,133,000 16,730,000   
        deferred tax assets, net of valuation allowance
                                               3,976,000 3,777,000 3,777,000                                             
        common shares held in treasury, at cost, 601,944 shares in 2015 and 2014
                                               -3,337,000 -3,337,000 -3,337,000                                             
        long-term debt
                                                  38,614,000 9,635,000 12,013,000 14,924,000 17,421,000 19,799,000 19,677,000 22,056,000 26,934,000 29,312,000 938,000 21,115,000 21,802,000 22,483,000 22,900,000 23,538,000 24,542,000 15,899,000 16,149,000 16,578,000 13,092,000 13,601,000 14,106,000 14,633,000 12,735,000 16,692,000 17,136,000 17,992,000 18,636,000 24,484,000 25,328,000 26,707,000 27,358,000 28,422,000 28,589,000          
        common shares held in treasury, at cost, 601,944 shares in 2014 and 2013, respectively
                                                  -3,337,000 -3,337,000 -3,337,000                                          
        common shares held in treasury, at cost, 601,944 shares
                                                     -3,337,000                  -3,337,000 -3,337,000 -3,337,000                     
        liabilities & stockholders’ equity
                                                                                              
        common shares held in treasury, at cost, 601,944 shares in 2013 and 2012, respectively
                                                      -3,337,000                                        
        common shares held in treasury, at cost, 601,944 shares in 2013 and 2012
                                                       -3,337,000 -3,337,000 -3,337,000                                     
        common stock and additional paid-in capital — 0.001 par value...
                                                          143,180,000    108,838,000    102,796,000                            
        common shares held in treasury, at cost, 601,944 shares in 2012 and 2011, respectively
                                                          -3,337,000                                    
        common shares held in treasury, at cost, 601,944 shares in 2012 and 2011
                                                           -3,337,000 -3,337,000 -3,337,000                                 
        common shares held in treasury, at cost, 601,944 shares in 2011 and 2010, respectively
                                                              -3,337,000                                
        retained earnings/
                                                              11,784,000                                
        common shares held in treasury, at cost, 601,944 shares in 2011 and 2010
                                                               -3,337,000 -3,337,000 -3,337,000                             
        accumulated deficit
                                                                 -6,130,000 -11,950,000 -15,846,000 -22,543,000 -28,197,000 -32,047,000 -34,542,000 -33,124,000 -19,061,000                    -328,000 
        common shares held in treasury, at cost, 601,944 shares in 2010 and 2009, respectively
                                                                  -3,337,000                            
        common shares held in treasury, at cost, 601,944 shares in 2010 and 2009
                                                                   -3,337,000 -3,337,000 -3,337,000                         
        deferred income taxes
                                                                         2,451,000 2,451,000 3,955,000 3,955,000 3,955,000 3,597,000 4,855,000 4,607,000 4,375,000 4,186,000 2,409,000 2,255,000 2,294,000 2,294,000 1,768,000 1,768,000 1,768,000 2,340,000 1,582,000 2,563,000 2,013,000 
        common shares held in treasury, at cost, 601,944 shares in 2009 and 2008, respectively
                                                                      -3,337,000                        
        other long-term assets:
                                                                                              
        commitments and contingencies (see note 8) stockholders’ equity:
                                                                                              
        deferred and other tax liabilities
                                                                           713,000 853,000 853,000 1,031,000 2,953,000 3,085,000 3,218,000             
        common shares held in treasury, at cost, 601,944 shares and none in 2008 and 2007, respectively
                                                                          -3,337,000                    
        common shares held in treasury, at cost, 171,606 shares and none in 2008 and 2007, respectively
                                                                           -1,163,000                   
        capital lease obligations, current portion
                                                                             32,000 33,000 38,000 46,000 43,000 61,000 85,000 57,000 64,000 70,000 76,000 77,000 103,000 102,000 128,000 126,000 126,000 
        capital lease obligations and other liabilities
                                                                             1,952,000 1,029,000 283,000 295,000 290,000 318,000 311,000 325,000 340,000 354,000 368,000 386,000 406,000 426,000 446,000 464,000 509,000 
        long-term assets:
                                                                                              
        income taxes payable
                                                                                 2,500,000 2,355,000          1,243,000 1,301,000 
        deferred stock-based compensation
                                                                                 -118,000 -152,000    -350,000 -414,000 -466,000 -519,000 -571,000 -623,000 -676,000 -728,000 
        other accrued expenses and liabilities
                                                                                   3,170,000 4,600,000 3,571,000 2,004,000    847,000    
        tradename
                                                                                     8,987,000 8,987,000 8,987,000 8,987,000 8,987,000 8,987,000 8,987,000 8,987,000 8,987,000 
        equipment and leasehold improvements:
                                                                                              
        computer equipment and software
                                                                                      1,834,000    1,648,000    
        furniture and fixtures
                                                                                      308,000    294,000    
        machinery and equipment
                                                                                      2,960,000    3,101,000    
        leasehold improvements
                                                                                      4,171,000    3,613,000    
        equipment and leasehold improvements: - sum
                                                                                      9,273,000    8,656,000    
        accumulated depreciation and amortization
                                                                                      -4,961,000    -3,264,000    
        deferrred income taxes
                                                                                       2,340,000 2,340,000 2,340,000  2,725,000   
        cash
                                                                                         10,843,000 11,440,000 9,933,000 7,476,000 7,235,000 
        stockholders’ equity
                                                                                              
        common stock - - 0.001 par value...
                                                                                         46,256,000     
        series a senior notes to related parties, net of deferred compensation of 580 in 2003
                                                                                              
        current liabilities
                                                                                              
        accrued expenses and other liabilities
                                                                                           2,114,000 2,199,000 4,510,000 
        series a senior notes to related parties, net of deferred compensation of 0 in 2004 and 580 in 2003
                                                                                              
        series a senior notes to related parties, net of deferred compensation of 580 in 2003 and 0 in 2004
                                                                                             30,593,000 
        accounts receivable, subscribed stock
                                                                                             39,060,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-12-26 2025-09-26 2025-06-27 2025-03-28 2024-12-27 2024-09-27 2024-06-28 2024-03-29 2023-12-29 2023-09-29 2023-06-30 2023-03-31 2022-12-30 2022-09-30 2022-07-01 2022-04-01 2021-12-31 2021-09-24 2021-06-25 2021-03-26 2020-12-25 2020-09-25 2020-06-26 2020-03-27 2019-12-27 2019-09-27 2019-06-28 2019-03-29 2018-12-28 2018-09-28 2018-06-29 2018-03-30 2017-12-29 2017-09-29 2017-06-30 2017-03-31 2016-12-30 2016-09-23 2016-06-24 2016-03-25 2015-12-25 2015-09-25 2015-06-26 2015-03-27 2014-12-26 2014-09-26 2014-06-27 2014-03-28 2013-12-27 2013-09-27 2013-06-28 2013-03-29 2012-12-28 2012-09-28 2012-06-29 2012-03-30 2011-12-30 2011-09-30 2011-07-01 2011-04-01 2010-12-31 2010-10-01 2010-07-02 2010-04-02 2010-01-01 2009-10-02 2009-07-03 2009-04-03 2009-01-02 2008-09-26 2008-06-27 2008-03-28 2007-12-28 2007-09-28 2007-06-29 2007-03-30 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-11-16 2004-09-30 2004-06-30 2004-03-31 
                                                                                                
          cash flows from operating activities:
                                                                                                
          net income
        -600,000 -8,100,000   20,000,000 300,000 21,400,000 -7,200,000 -1,600,000 -12,800,000 -8,200,000 400,000 28,400,000 12,900,000 -21,700,000 30,800,000 48,800,000 34,000,000 18,000,000 25,600,000 22,700,000 25,100,000 22,100,000 10,500,000 -9,688,000 888,000     18,960,000 24,741,000 20,849,000 19,716,000 20,179,000 14,341,000 9,953,000 2,614,000 723,000 -3,239,000 -15,788,000 1,676,000 2,207,000 1,173,000 3,532,000 -5,263,000 6,032,000 7,056,000 6,371,000 2,048,000 2,316,000 -311,000 -1,729,000 -1,701,000 3,923,000 4,660,000 7,801,000 3,155,000 6,958,000 5,820,000 3,896,000 6,697,000 5,654,000 3,850,000   -14,063,000 -7,040,000 -52,216,000 -1,928,000 -162,000 1,889,000 2,071,000 3,541,000 5,096,000 5,185,000 4,662,000 5,560,000 3,957,000 2,131,000 683,000 -566,000 692,000 1,194,000 2,135,000 1,913,000 3,089,000 1,413,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                                                
          depreciation and amortization
        12,400,000 12,100,000 11,700,000 11,700,000 11,600,000 11,400,000 11,200,000 11,500,000 9,700,000 9,700,000 9,300,000 8,900,000 8,700,000 9,700,000 10,200,000 9,800,000 10,100,000 8,900,000 8,600,000 6,500,000 6,200,000 6,200,000 6,200,000 6,400,000 5,692,000 5,391,000 3,562,000 6,855,000 5,734,000 2,884,000 1,601,000 1,316,000 1,380,000 1,309,000 1,372,000 1,214,000 1,739,000 1,441,000 1,404,000 1,397,000 1,281,000 1,611,000 932,000 904,000    747,000    806,000  923,000 758,000 705,000 773,000 811,000 722,000 639,000 606,000 603,000 589,000 525,000 477,000 493,000 646,000 663,000 1,635,000 1,564,000 1,265,000 1,135,000 965,000 1,272,000 1,015,000 1,123,000 1,483,000 1,438,000 464,000 486,000 532,000 566,000 556,000 513,000  397,000 417,000 385,000 
          amortization of intangible assets
        6,900,000 6,900,000 7,000,000 7,300,000 7,500,000 7,600,000 7,600,000 7,700,000 7,200,000 5,500,000 5,600,000 5,800,000 6,900,000 7,400,000 7,600,000 8,100,000 9,500,000 9,500,000 9,500,000 4,900,000 5,000,000 4,900,000 5,000,000 4,900,000                                                                 
          stock-based compensation
        4,800,000 4,400,000 7,100,000 2,900,000 4,700,000 4,700,000 4,500,000 3,500,000 3,400,000 4,000,000 1,000,000 3,700,000 4,300,000 4,700,000 4,500,000 5,600,000 4,300,000 4,300,000 3,700,000 3,500,000 3,200,000 3,300,000 3,100,000 3,100,000 3,022,000 3,301,000 2,864,000 2,913,000 3,139,000 2,213,000 2,357,000 2,563,000 2,698,000 2,297,000 1,380,000 1,382,000 1,631,000 1,857,000 1,118,000 1,065,000 1,053,000 1,089,000 1,044,000 474,000 1,231,000 1,157,000 993,000 1,019,000 1,174,000 1,191,000 1,000,000 1,320,000 1,003,000 1,417,000 1,397,000 1,252,000 1,107,000 1,086,000 1,164,000 1,002,000 754,000 865,000 910,000 667,000 572,000 569,000 775,000 789,000 766,000 852,000 792,000 1,129,000 892,000 913,000 840,000 642,000             
          amortization of debt issuance costs
        600,000 1,000,000 500,000 600,000 600,000 500,000 900,000 1,000,000 1,000,000 1,000,000 900,000 1,000,000 1,000,000 1,000,000 900,000 1,000,000 1,000,000 1,000,000 1,000,000 400,000 500,000 500,000 500,000 400,000 454,000 445,000 453,000 448,000 470,000 246,000 38,000 38,000 38,000 39,000 38,000 38,000 39,000 38,000 38,000 38,000 39,000 38,000 38,000 714,000 163,000 122,000 122,000 122,000 120,000 124,000 121,000 122,000 122,000                                    
          impairment of goodwill
                                                                                              
          loss on sale of property, plant and equipment
        600,000    1,100,000                                                                                   
          change in the fair value of financial instruments
        -100,000 -7,500,000 900,000 -24,400,000 1,800,000 2,000,000 -100,000 -400,000 200,000 2,500,000 -400,000           6,520,000 -3,772,000 1,444,000 -1,392,000 180,000 -271,000 628,000 -856,000                                                         
          deferred income taxes
        -3,100,000 -200,000 900,000 -300,000 -1,800,000 -700,000 200,000 -700,000 -12,500,000 700,000 -600,000 -1,000,000 -300,000 -300,000 1,400,000 -4,000,000 -100,000 -300,000 1,200,000 700,000   1,000,000 -1,485,000 -38,000 -2,040,000 -37,000 -150,000 181,000 -67,000 -46,000 -3,531,000 -184,000 18,000 -58,000 2,258,000 492,000 391,000 393,000 10,548,000 -878,000 357,000 325,000  1,826,000 -97,000 81,000                              -443,000           
          changes in assets and liabilities, net of effects of acquisitions:
                                                                                                
          accounts receivable
        -9,300,000 7,300,000 11,200,000 23,100,000 -13,000,000 -21,200,000 -12,400,000 -13,700,000 -4,700,000 8,100,000 11,700,000 63,400,000 -17,700,000 -800,000 31,900,000 -29,100,000 -17,600,000 -22,100,000 9,200,000 -22,500,000 -6,700,000 -25,300,000 -700,000 -2,124,000 -12,377,000 14,183,000 -4,182,000 -6,493,000 22,488,000 -15,597,000 6,839,000 17,457,000 -5,670,000 -6,639,000 -20,078,000 -9,267,000 7,302,000 -6,390,000 -7,479,000 -1,598,000 3,112,000 12,112,000 -7,808,000 -4,358,000 10,488,000 4,250,000 -4,747,000 -17,722,000            -8,035,000 -863,000          -12,912,000 8,016,000 6,983,000 -2,359,000 -2,942,000 3,796,000 4,247,000 -12,033,000 -6,729,000 -3,673,000 1,315,000 1,609,000 -4,994,000  5,695,000   
          inventories
        -8,700,000 -6,600,000 -1,000,000 6,400,000 21,600,000 -2,700,000 -11,800,000 -13,600,000 15,200,000 20,500,000 34,200,000 10,900,000 -38,700,000 -2,500,000 17,900,000 -61,100,000 -54,600,000 -29,200,000 -32,500,000 -8,800,000 -5,100,000 18,600,000 -6,800,000 -14,700,000 -20,189,000 10,127,000 26,783,000 5,579,000 12,335,000 30,050,000 32,426,000 -24,660,000 -71,390,000 -25,310,000 -16,106,000 -19,068,000    -9,173,000                                               -3,317,000 -5,941,000 
          prepaid expenses and other current assets
        -2,000,000 1,500,000 -7,200,000 -600,000 -300,000 -1,400,000 -700,000 -800,000 5,000,000 2,300,000 -1,100,000 6,300,000 -1,400,000 -200,000 -7,500,000 4,600,000 -3,400,000 -500,000 -3,300,000 3,000,000 900,000 1,900,000 -1,400,000 -200,000 1,706,000 -1,711,000                                                               
          other non-current assets
        -900,000 -500,000 -700,000 200,000 700,000 -100,000 700,000  1,100,000 1,400,000 -1,700,000 -1,300,000 -1,100,000   -500,000 400,000 300,000 -1,000,000   300,000  -210,000 377,000 -943,000 -56,000 16,000 -58,000 -255,000 -96,000 -149,000 -92,000 -245,000 -19,000 10,000 -28,000 -8,000 -12,000 49,000 -7,000 -54,000 -293,000 3,000 -3,000 209,000     75,000 -195,000 9,000 -3,000 -23,000 8,000 -6,000 -21,000 -205,000 20,000 9,000 13,000 -121,000 20,000 -312,000 72,000 209,000 39,000 45,000 40,000 214,000 -90,000 1,000 -13,000 63,000 23,000 -30,000 -3,000         
          accounts payable
        5,200,000 -10,900,000 -3,400,000 -8,500,000 -19,700,000 4,700,000 16,300,000 25,100,000 -300,000 1,400,000 -12,100,000 -50,500,000 -24,500,000 11,900,000 -19,900,000 -35,900,000 51,100,000 38,700,000 37,500,000 43,300,000 9,300,000 -28,400,000 10,600,000 -4,100,000 31,282,000 4,422,000 -4,078,000 -626,000 3,504,000 -27,209,000 -55,276,000 -4,214,000 41,874,000 26,345,000 7,557,000 23,793,000 19,363,000 -12,674,000 11,772,000 13,244,000 -4,413,000 -4,430,000 -3,744,000 -6,000 6,189,000 -3,039,000 -9,819,000 1,483,000 16,320,000 7,781,000 -4,450,000 10,993,000 -12,770,000 -2,951,000 -13,202,000 9,425,000 2,520,000 -21,995,000 187,000 2,782,000 -5,129,000 7,737,000 -10,976,000 8,154,000 22,979,000 11,904,000 498,000 -595,000 -16,873,000 5,601,000 -15,677,000 1,387,000 3,264,000 568,000 -7,490,000 2,886,000 -4,266,000 -3,446,000 6,884,000 9,577,000 3,129,000 2,417,000 -8,296,000 4,520,000  -4,290,000 -2,633,000 12,549,000 
          accrued compensation and related benefits
        1,600,000 2,000,000 7,800,000 -10,400,000 2,200,000 -1,300,000 12,100,000 -10,600,000 6,200,000 700,000 2,200,000 -14,700,000 5,000,000 -2,500,000 10,600,000 -6,000,000 -5,200,000 8,100,000 2,500,000 -3,600,000 3,800,000 3,100,000 2,600,000 200,000 243,000 5,399,000 271,000 3,087,000 -8,127,000 6,664,000 -1,519,000 187,000 -1,737,000 1,504,000 102,000 2,908,000 954,000 -213,000 2,202,000 -1,546,000 666,000 -970,000 1,100,000 2,000 237,000 -1,831,000 1,383,000 -211,000 1,569,000 -887,000 1,854,000 -1,417,000 -204,000 -1,972,000 956,000 165,000 -428,000 -1,906,000 1,267,000 181,000 306,000 -937,000 1,442,000 500,000 1,220,000 -127,000 321,000 -1,357,000 -692,000 653,000 -1,388,000 741,000 -1,114,000 505,000 -385,000 -21,000 388,000 -1,369,000 1,608,000 897,000 -313,000 82,000 -475,000 -71,000     
          income taxes payable
        -1,400,000 -7,900,000 -3,500,000 -700,000 -400,000 -700,000 2,100,000 3,700,000 -4,600,000 -2,700,000 -1,600,000 2,400,000   6,700,000 100,000 -1,900,000 2,800,000 -400,000 -1,700,000 3,300,000 1,600,000 -1,427,000 733,000 -3,472,000 1,266,000 4,767,000 -36,000 -1,575,000 -2,358,000 3,563,000 621,000 1,844,000 2,149,000 -466,000    732,000 -384,000 -296,000 -129,000   209,000 1,405,000                     -32,000 399,000 -1,136,000 1,091,000 -1,341,000 -1,134,000 -2,591,000 145,000          -1,788,000 937,000 260,000 
          operating lease assets and liabilities
        2,700,000 -900,000 9,700,000 1,400,000 -5,500,000 7,600,000 1,600,000 -1,100,000 4,100,000 -800,000 -2,600,000 -300,000 -800,000 900,000 -1,800,000 -500,000 -800,000 300,000 -300,000 -300,000 -300,000 -300,000 -100,000 -400,000                                                                 
          other liabilities
        -100,000 -600,000 -1,700,000 -2,300,000 -3,600,000 3,500,000 -2,700,000 4,100,000 -2,500,000 200,000 -2,400,000 -3,200,000 -12,500,000 10,200,000 -2,200,000 3,500,000 -3,100,000 -200,000 -2,400,000 6,200,000 -4,900,000 -4,700,000 -2,200,000 4,400,000 2,968,000 3,068,000 -921,000 1,185,000 -2,151,000 -4,238,000 2,180,000 1,723,000 -1,045,000 920,000 77,000 981,000 -4,769,000 167,000 -333,000 1,578,000 -108,000 1,717,000 -345,000 340,000 -764,000 -451,000 -82,000 684,000 163,000 555,000 -237,000 -198,000  -3,059,000 627,000 469,000  1,237,000 608,000 2,558,000  1,361,000 -2,036,000 1,342,000  -121,000 273,000 42,000  316,000 3,909,000 414,000  670,000 1,559,000 298,000             
          net cash from operating activities
        8,100,000 100,000 29,200,000 28,200,000 17,100,000 14,900,000 23,200,000 9,800,000 35,300,000 36,200,000 36,400,000 28,000,000 -38,800,000 71,700,000 81,700,000 -67,400,000 41,600,000 53,300,000 51,100,000 65,600,000 44,400,000 19,700,000 17,500,000 15,700,000 31,927,000 21,056,000 49,919,000 18,098,000 26,378,000 27,377,000 -17,125,000 5,079,000 11,279,000 17,445,000 11,037,000 9,144,000 8,195,000 5,737,000 3,841,000 -196,000 -3,517,000 321,000   6,180,000 16,561,000 3,602,000 4,016,000 -3,808,000 8,255,000 9,217,000 16,267,000 -1,590,000 8,610,000 16,420,000 3,899,000 15,561,000 1,753,000 4,530,000 1,880,000 -3,895,000 4,602,000 -3,821,000 -1,743,000 -3,015,000 1,014,000 1,506,000 1,586,000 5,281,000 -1,631,000 12,453,000 -4,521,000 13,944,000 8,534,000 -2,157,000 3,199,000 9,369,000 4,037,000 -4,533,000 -1,188,000 -3,852,000 2,729,000 -1,028,000 -1,025,000  3,203,000 -7,530,000 5,288,000 
          capital expenditures
        -10,100,000 -11,000,000 -16,800,000 -12,400,000 -17,300,000 -15,200,000 -13,000,000 -18,000,000 -16,600,000 -12,200,000 -19,700,000 -27,300,000 -32,200,000 -21,400,000 -18,100,000 -28,400,000 -16,600,000 -20,000,000 -16,200,000 -6,500,000 -9,900,000 -9,500,000 -10,300,000 -6,700,000 -13,635,000 -1,906,000 -4,844,000 -3,755,000 -5,911,000 -3,615,000 -6,764,000 -2,986,000 -2,784,000 -1,818,000 -1,758,000 -1,672,000 -2,030,000 -4,956,000 -1,400,000   -3,268,000 -653,000 -901,000 -512,000 -675,000 -1,578,000 -465,000 -245,000 -200,000 -193,000 -2,000 -214,000 -489,000 -838,000 -1,502,000 -1,154,000 -1,253,000 -540,000 -1,154,000 -870,000 -548,000 -37,000 -64,000 -89,000 -392,000 -978,000 -4,511,000 -3,567,000 -3,294,000 -1,319,000 -1,861,000 -1,233,000 -1,698,000 -1,230,000 -497,000 -516,000 -48,000 -428,000 -348,000 -302,000  -694,000 -599,000 -268,000 
          free cash flows
        -2,000,000 -10,900,000 12,400,000 15,800,000 -200,000 -300,000 10,200,000 -8,200,000 18,700,000 24,000,000 16,700,000 700,000 -71,000,000 50,300,000 63,600,000 -95,800,000 25,000,000 33,300,000 34,900,000 59,100,000 34,500,000 10,200,000 7,200,000 9,000,000 18,292,000 21,056,000 48,013,000 13,254,000 26,378,000 27,377,000 -20,880,000 -832,000 7,664,000 10,681,000 8,051,000 6,360,000 6,377,000 3,979,000 2,169,000 -2,226,000 -8,473,000 -1,079,000   2,912,000 15,908,000 2,701,000 3,504,000 -4,483,000 6,677,000 8,752,000 16,022,000 -1,790,000 8,417,000 16,418,000 3,685,000 15,072,000 915,000 3,028,000 726,000 -5,148,000 4,062,000 -4,975,000 -2,613,000 -3,563,000 977,000 1,442,000 1,497,000 4,889,000 -2,609,000 7,942,000 -8,088,000 10,650,000 7,215,000 -4,018,000 1,966,000 7,671,000 2,807,000 -5,030,000 -1,704,000 -3,900,000 2,301,000 -1,376,000 -1,327,000  2,509,000 -8,129,000 5,020,000 
          cash flows from investing activities:
                                                                                                
          purchases of property, plant and equipment
        -10,100,000 -11,000,000 -16,800,000 -12,400,000 -17,300,000 -15,200,000 -13,000,000 -18,000,000 -16,600,000 -12,200,000 -19,700,000 -27,300,000 -32,200,000 -21,400,000 -18,100,000 -28,400,000 -16,600,000 -20,000,000 -16,200,000 -6,500,000 -9,900,000 -9,500,000 -10,300,000 -6,700,000 -13,635,000                                                                
          acquisition of businesses, net of cash acquired
                                -27,000                                                                
          other investing activities
        100,000                                                                                        
          net cash from investing activities
        -10,000,000 -7,900,000 -16,700,000 -12,400,000 -17,300,000 -15,300,000 -13,000,000 -17,900,000 -62,800,000 -10,400,000 -19,200,000 -27,300,000 -32,000,000 -17,800,000 -18,000,000 -28,400,000 -14,500,000 -19,800,000 -371,300,000 800,000 -9,900,000 -5,800,000 -7,400,000 -6,700,000 -9,360,000 -3,675,000 -31,967,000 -4,198,000 -39,945,000 -296,322,000 -3,755,000 -5,911,000 -3,615,000 -6,764,000 -2,986,000 -2,784,000 -1,852,000 -1,786,000 -1,610,000 -2,030,000 -5,525,000 -16,161,000 -1,214,000 -32,316,000 -3,220,000 -653,000 -824,000 -446,000 -675,000 -1,482,000 -465,000 -245,000 180,000 -75,518,000 -2,000 -214,000 -489,000 -838,000 -1,502,000 -1,154,000 -1,253,000 -540,000 -1,108,000 -870,000 -548,000 -37,000 -64,000 -89,000 -392,000 -978,000       -5,239,000 -2,436,000 -28,103,000 -516,000      -694,000 -599,000 -268,000 
          cash flows from financing activities:
                                                                                                
          proceeds from bank borrowings
                    20,500,000 23,200,000 364,900,000 6,600,000 7,000,000 9,200,000 9,000,000 51,500,000 6,995,000 6,693,000 21,525,000 6,587,000 4,870,000 360,298,000 11,664,000 10,222,000 6,904,000 2,967,000 4,205,000 1,000,000 2,134,000 2,471,000 415,000 1,637,000 2,231,000                     4,000,000 1,900,000 3,600,000           31,955,000 -743,000 2,000 15,000 1,600,000 726,000     
          extinguishment of bank borrowings
                                                                                             
          proceeds from issuance of common stock
        1,100,000   1,100,000         500,000   300,000   174,000 1,000   143,000 17,000 124,000 94,330,000 127,000 12,000 294,000 1,383,000 102,000 396,000   104,000 10,000 105,000 2,192,000 107,000 -13,000 112,000 1,734,000 565,000 55,000 106,000 48,000 107,000 42,000 85,000 93,000 114,000 3,000 239,000 655,000 887,000 390,000 360,000 158,000 44,000 12,000   78,000 445,000 370,000 347,000 343,000 1,335,000 392,000 359,000 549,000 135,000 -252,000 11,107,000 295,000 27,000 241,000 19,000 253,000 -35,000 -55,000 35,260,000 
          principal payments on bank borrowings
        -3,100,000 -3,100,000 -12,000,000 -100,000 -3,000,000 -2,600,000 -4,500,000 -3,900,000 -3,800,000 -8,900,000 -22,000,000 -11,900,000                -7,746,000 -59,460,000 -11,275,000 -7,873,000 -12,020,000 -6,621,000 -7,910,000 -4,697,000 -3,325,000 -3,258,000 -4,192,000 -3,566,000 -3,696,000                                                
          payment of debt issuance costs
                                                                                              
          employees’ taxes paid upon vesting of restricted stock units
        -400,000               -300,000       -248,000 -258,000 -544,000 -850,000 -150,000 -327,000 -756,000 -1,862,000 -345,000 -559,000 -228,000 -1,582,000   -30,000 -404,000 -1,000 -330,000 -1,000    674,000 -762,000 1,000 -507,000 -73,000 -17,000 -251,000                                 
          payments of dividends to a joint venture shareholder
          -400,000   -100,000    100,000                                                                          
          repurchase of shares
              -5,700,000 -9,500,000 -14,200,000                                                                             
          net cash from financing activities
        1,100,000 -3,500,000 -6,600,000 -12,200,000 1,000,000 -3,700,000 17,000,000 -4,500,000 -8,900,000 -4,100,000 -20,700,000 -36,200,000 -28,800,000 -18,000,000 -6,600,000 -2,600,000 -17,100,000   -1,600,000 -12,500,000 -51,700,000 -3,900,000 37,000,000 -22,145,000 -25,709,000 -2,420,000 -3,126,000  288,410,000 -243,000 94,817,000 -5,334,000 -4,201,000 -3,639,000 -3,896,000 -1,089,000 -728,000 -3,703,000 -2,333,000     890,000 -10,126,000 -7,702,000 10,304,000 -1,043,000 -12,165,000 -2,362,000 -5,390,000 -2,608,000 74,100,000 -20,051,000 -1,070,000 -789,000 -679,000 -675,000 -97,000 12,074,000 565,000 286,000 3,660,000 -435,000 -482,000 -1,010,000 -1,349,000 -3,737,000 -1,494,000 -339,000 -391,000 -5,268,000 881,000 -636,000 -645,000 268,000 -1,636,000 31,790,000 10,845,000 283,000 24,000 1,821,000 725,000  -52,000 8,370,000 -3,820,000 
          effect of exchange rate changes on cash and cash equivalents
        -1,500,000 -2,000,000 3,900,000 100,000 -5,100,000 2,800,000 -700,000 -1,400,000 1,400,000 -500,000 2,200,000 -1,200,000 4,900,000 -3,800,000 -2,700,000 -1,100,000 -500,000 -600,000 500,000 -800,000 2,200,000 -500,000 100,000 -400,000  -1,110,000 -2,178,000 -145,000 281,000 -271,000 -96,000 74,000 37,000 -23,000 135,000 6,000 -59,000 -6,000 -14,000 -5,000 -9,000                                                
          net increase in cash and cash equivalents
        -2,300,000 -13,300,000 9,800,000 3,700,000  -1,300,000       -94,700,000 32,100,000 54,400,000 -99,500,000 9,500,000 5,600,000 187,100,000 64,000,000 24,200,000 -38,300,000 6,300,000 45,600,000 3,855,000 -9,438,000 13,354,000 10,629,000 -16,195,000 19,194,000 -21,219,000 94,059,000  6,457,000 4,547,000 2,470,000                                                     
          cash and cash equivalents at beginning of period
        313,900,000  307,000,000 358,800,000 466,500,000 200,300,000 162,500,000 -45,000 144,145,000 68,306,000  52,465,000  50,103,000  78,997,000  60,415,000  54,311,000  52,155,000  34,654,000  26,697,000  29,620,000  33,447,000  23,321,000 10,663,000         
          changes in assets and liabilities:
                                                                                                
          other financing activities
         -400,000 -200,000                                                                                     
          cash and cash equivalents at end of period
         -13,300,000 9,800,000 317,600,000  -1,300,000 26,500,000 293,000,000 -35,000,000 21,200,000 -1,300,000 322,100,000 -94,700,000 32,100,000 54,400,000 367,000,000 9,500,000 5,600,000 187,100,000 264,300,000 24,200,000 -38,300,000 6,300,000 208,100,000 3,810,000 -9,438,000 13,354,000 154,774,000 -16,195,000 19,194,000 -21,219,000 162,365,000  6,457,000 4,547,000 54,935,000  3,217,000 -1,486,000 45,539,000  -16,831,000 7,007,000 69,607,000  5,782,000 -4,924,000 74,289,000  -5,392,000 6,390,000 64,943,000  7,192,000 -3,633,000 54,770,000  236,000 2,353,000 35,283,000  4,627,000 -4,643,000 27,744,000  495,000 432,000 29,768,000  -4,103,000 7,603,000 24,968,000  8,096,000 -4,700,000 24,642,000 4,398,000 -35,000 -846,000 19,804,000         
          supplemental cash flow information:
                                                                                                
          income taxes paid, net of income tax refunds
         16,800,000 9,800,000 8,600,000  10,400,000 9,600,000 8,100,000 4,500,000 9,300,000 11,800,000 5,600,000 9,100,000 11,200,000 11,000,000 5,500,000 8,000,000 4,300,000 8,100,000 2,700,000 7,900,000 3,900,000 2,600,000 2,000,000                                                                 
          interest paid
         12,500,000 6,200,000 12,700,000  11,400,000 11,100,000 11,200,000 11,800,000 11,300,000 14,300,000 7,400,000 11,600,000 6,500,000 8,800,000 5,000,000 5,500,000 6,300,000 3,800,000 4,300,000 2,700,000 3,700,000 4,400,000 4,800,000 7,164,000 4,112,000 6,724,000 5,600,000 4,195,000 2,009,000 507,000 435,000 -1,193,000 1,150,000 1,708,000 551,000 585,000 614,000 614,000 692,000                     304,000 218,000   226,000 386,000 -67,000 276,000   204,000 379,000 494,000 528,000 612,000 608,000 585,000 616,000 65,000 41,000 8,000 50,000 16,000 6,000 12,000 4,000 488,000 4,000 
          non-cash investing and financing activities:
                                                                                                
          property, plant and equipment purchased included in accounts payable and other liabilities
         -100,000 -2,300,000 6,800,000  -400,000 -3,000,000 7,300,000 -2,300,000 2,800,000 -300,000 9,500,000 10,100,000 2,300,000 -1,500,000 5,900,000 8,500,000 1,600,000 1,200,000 3,500,000 500,000 200,000 -400,000 2,900,000 435,000                                                                
          proceeds from sale of equipment
              100,000                   -188,000 646,000                    66,000                                       
          net loss
           -2,500,000                                                                                     
          adjustments to reconcile net loss to net cash from operating activities:
                                                                                                
          adjustments to reconcile net income
                                                                                                
          gain on sale of property, plant and equipment
                200,000                                                                                
          net income on divestiture
                                                                                                
          divestiture of subsidiaries
                    3,700,000                                                                           
          employees' taxes paid upon vesting of restricted stock units
             -300,000       -100,000                                                                           
          net decrease in cash and cash equivalents
               -14,000,000  21,200,000 -1,300,000 -36,700,000                          3,217,000                                                   
          adjustments to reconcile net income to net cash from operating activities
                                                                                                
          net loss on divestiture
                                                                                                
          gain from insurance proceeds
                        -7,300,000 -400,000                                                                   
          proceeds from sale of equipment, including insurance proceeds
                    200,000 -100,000   100,000 200,000                                                                       
          settlement of forward contracts in conjunction with acquisition
                                                                                                
          payments of debt issuance costs
                                            -111,000 -500,000                                            
          fair value of his earn-out at acquisition date
                                                                                                
          reclassification of stock purchase commitment to noncontrolling interest
                                                                                                
          net loss on divestitures
                     20,800,000                                                                           
          proceeds from sale of property, plant and equipment
                                                                                                
          gain on the disposal of assets
                                                                                                
          loss on the disposal of assets
                                                                                                
          others
                    -200,000   100,000  100,000 100,000 100,000                                                                     
          settlement of forward contracts in conjunction with the acquisition of ham-let
                                                                                               
          acquisition of business, net of cash acquired
                                                                                               
          reclassification of common stock purchase obligation liability to noncontrolling interests
                                                                                                
          gain on disposal of fixed assets
                                                                                                
          principal payments on bank borrowings and finance leases
                      -7,900,000 -2,600,000 -37,900,000 -50,500,000 -35,200,000 -8,200,000 -19,800,000 -59,400,000 -11,800,000 -14,500,000                                                                 
          change in the fair value of financial instruments and earn-out liability
                       300,000  1,400,000 11,600,000  200,000 1,200,000 3,000,000                                                                 
          loss on the disposal of assets and business
                                1,975,000 299,000 -441,000 167,000 -341,000                                                            
          payment of contingent earn-out
                                                                                               
          fair value of earn-out payment related to business acquisitions
                                                                                                
          net cash provided by financing activities
                                                                                                
          insurance proceeds
                           7,300,000                                                                     
          impairment loss due to a facility fire covered by insurance
                                                                                                
          note receivable received in exchange for sale of uamc
                                                                                                
          proceeds from sale of property and equipment, including insurance proceeds
                                                                                                
          acquisition of dynamic manufacturing solutions, llc
                                                                                                
          taxes paid related to net share settlement of equity awards
                             -100,000                                                                   
          fair value of earn-out payment related to dms acquisition
                                                                                                
          business interruption insurance proceeds receivable
                                                                                                
          withholding tax on employee equity compensation
                                                                                                
          amortization of finite-lived intangibles
                                 5,091,000 5,053,000 4,854,000 4,973,000 2,412,000 1,097,000 1,098,000 1,744,000 1,231,000 1,231,000 1,231,000 1,440,000 1,439,000 1,439,000 1,440,000                                                 
          proceeds from insurance and sale of equipment
                                                                                                
          payments on bank borrowings and finance leases
                                 -32,145,000 -23,526,000 -8,863,000                                                             
          debt issuance costs paid
                                                                                                
          income taxes paid
                                 3,553,000 4,598,000 4,063,000 995,000 4,394,000 4,439,000 4,761,000 754,000 3,063,000 1,379,000 2,418,000 1,475,000 723,000 2,122,000 143,000 289,000 1,188,000 825,000 598,000 583,000 794,000 1,230,000 918,000 508,000 413,000   839,000 2,756,000 1,622,000 94,000 35,000 6,000 1,840,000 350,000 1,406,000 1,334,000         564,000 229,000 2,454,000 1,225,000 4,395,000 2,175,000 1,646,000 1,860,000       830,000 3,225,000 2,645,000 24,000 
          income tax refunds
                                 37,000 4,000 -4,000 38,000 5,000 46,000 25,000 55,000 -7,000 598,000     1,356,000 44,000   1,343,000 -12,000    -613,000                             
          non-cash activities:
                                                                                                
          operating lease right-of-use assets
                                 35,633,000                                                             
          operating lease liabilities
                                 38,493,000                                                             
          fair value of earn-out payment related to acquisitions
                                                                                                
          impairment loss due to a facility fire
                                                                                                
          sale of a business unit
                                                                                                
          purchases of property and equipment
                                  -1,906,000 -4,844,000                                                             
          property and equipment purchased included in accounts payable and other liabilities
                                  -1,982,000 7,118,000                                                             
          net income including noncontrolling interests
                                   1,354,000 -312,000                                                            
          prepaid expenses and other
                                   -2,430,000 8,906,000 -2,734,000 -2,469,000 -1,089,000 -525,000 -4,399,000 -233,000 246,000 460,000 -49,000 -375,000 1,673,000 352,000        -372,000 -227,000 -196,000 127,000 1,790,000 -1,042,000 -1,597,000 674,000 3,873,000 -1,358,000 -1,720,000 -1,203,000 -1,634,000 -1,217,000 -454,000 3,659,000 -381,000 -568,000 152,000 3,609,000 -2,993,000 -1,352,000 -959,000 275,000 446,000 -1,095,000 138,000 245,000 -192,000 907,000 143,000 -713,000 730,000 -1,045,000 -22,000 495,000  -218,000 -274,000 -15,000 
          excess tax benefit from stock-based compensation
                                               -732,000 384,000 296,000 129,000   -209,000 -1,404,000 784,000 -543,000 -30,000 -71,000 55,000 -87,000   81,000 2,000 -154,000 -601,000 -136,000 -681,000      158,000 205,000 144,000 -132,000 -105,000 -240,000 -391,000 -237,000 -455,000             
          purchases of equipment and leasehold improvements
                                      -3,755,000 -5,911,000 -3,615,000 -6,764,000 -2,986,000 -2,784,000 -1,818,000 -1,758,000 -1,672,000 -2,030,000 -4,956,000 -1,400,000 -1,214,000 -2,582,000 -3,268,000 -653,000 -901,000 -512,000 -675,000 -1,578,000 -465,000 -245,000 -200,000 -193,000 -2,000 -214,000 -489,000 -838,000 -1,502,000 -1,154,000 -1,253,000 -540,000 -1,154,000 -870,000 -548,000 -37,000 -64,000 -89,000 -392,000 -978,000 -4,511,000 -3,567,000 -3,294,000 -1,319,000 -1,861,000 -1,233,000 -1,698,000 -1,230,000 -497,000 -516,000 -48,000 -428,000 -348,000 -302,000 -1,762,000 -694,000 -599,000 -268,000 
          acquisition of qgt, net of cash acquired
                                    -29,319,000                                                            
          net cash provided (used) in financing activities
                                                                                                
          fair value of earn-out payment related to qgt acquisition
                                                                                                
          property and equipment purchased included in accounts payable
                                                                                                
          fair value of earn-out payments related to qgt acquisition
                                                                                                
          loss on the disposal of fixed assets
                                      149,000 52,000                                                         
          equipment and leasehold improvements purchased included in accounts payable
                                      -111,000 2,686,000  39,000 817,000 658,000  335,000 2,000 146,000 -3,378,000 1,901,000 92,000 1,538,000                                             
          restricted stock issued
                                       7,751,000 1,302,000 2,293,000 2,482,000 7,003,000               2,624,000 19,000 2,070,000 235,000 2,439,000                              438,000 
          loss from disposal of fixed assets
                                                                                               
          change in the fair value of the contingent earn out
                                        -897,000 309,000 310,000 41,000 777,000 207,000 421,000                                                 
          net increase in cash
                                                -9,680,000 -16,831,000 7,007,000 -9,390,000 3,850,000 5,782,000 -4,924,000 13,874,000 -5,526,000 -5,392,000 6,390,000 10,632,000 -4,018,000 7,192,000 -3,633,000 2,615,000 14,283,000 236,000 2,353,000 629,000 6,926,000 4,627,000 -4,643,000 1,047,000 -3,998,000 495,000 432,000 148,000 1,152,000   -8,479,000 5,409,000 8,096,000 -4,700,000 1,321,000 4,398,000 -35,000 -846,000 9,141,000 -3,461,000 2,832,000 449,000 -597,000 1,507,000 2,457,000 241,000 1,200,000 
          cash and cash equivalents at beginning of year
                                                                                                
          cash and cash equivalents at end of year
                                                                                                
          fair value of common shares issued for acquisition
                                                3,818,000 13,843,000                                            
          fair value of earn-out payments related to miconex acquisition
                                                                                               
          equipment and leasehold improvements purchased included in accounts payable and other current liabilities
                                                                                                
          loss in the disposal of fixed assets
                                                                                                
          changes in assets and liabilities
                                                                                                
          disposal of equipment and leasehold improvements
                                             -28,000                                                  
          non-cash investing activities:
                                                                                                
          adjustments to reconcile net income to net cash provided by operating activities:
                                                                                                
          income from disposal of fixed assets
                                                                                                
          proceeds from disposal of equipment and leasehold improvements
                                                                                                
          changes in assets and liabilities, net of effects of acquisition:
                                                                                                
          inventory
                                             1,315,000   2,742,000 -4,571,000 -4,735,000 -1,765,000 -1,497,000 11,707,000 401,000 -3,519,000 -13,649,000 -1,622,000 3,344,000 2,794,000 9,639,000 3,621,000 16,547,000 -5,525,000 3,794,000 10,604,000 -4,719,000 -5,864,000 4,753,000 -8,983,000 1,636,000 -9,718,000 -10,405,000 -4,549,000 5,871,000 1,921,000 9,199,000 -5,379,000 4,777,000 931,000 1,847,000 -2,828,000 2,621,000 -3,573,000 1,920,000 -3,961,000 -3,586,000 -8,446,000 -5,481,000 -122,000 4,487,000 -2,857,000     
          acquisition of business
                                                                                                
          net decrease in cash
                                               -4,564,000                                                 
          amortization of finite lived intangibles
                                                 1,550,000 1,355,000 1,137,000  1,221,000 1,221,000 1,221,000                                         
          payments made in connection with business acquisitions
                                                                                                
          supplemental items:
                                                                                                
          cash paid during the period:
                                                                                                
          interest
                                                 545,000 542,000 689,000  501,000 560,000 564,000  642,000 421,000 726,000  633,000 37,000 130,000  264,000 281,000 335,000    196,000                         
          prepaids and other
                                                  -540,000 -1,088,000    -130,000                                         
          acquisition of marchi
                                                  -29,734,000                                             
          proceeds from term debt and revolving credit facility
                                                  76,189,000                                             
          principal payments on term debt and revolving credit facility
                                                  -1,250,000 -48,844,000                                             
          net cash provided in financing activities
                                                  -1,553,000 28,578,000                                             
          adjustments to reconcile net income to net cash provided (used) by operating activities:
                                                                                                
          net cash provided (used) by operating activities
                                                   -5,652,000                                             
          adjustments to reconcile net income to net cash provided by
                                                                                                
          depreciation
                                                        770,000 810,000                                       
          changes in assets and liabilities, net of ait acquisition:
                                                                                                
          deferred income tax
                                                                          -4,195,000 -494,000 -536,000 163,000 -380,000 -365,000 -321,000          -150,000 -527,000 -97,000 
          ait acquisition, net of cash acquired
                                                            380,000                                    
          proceeds from revolving credit facilities
                                                                                                
          proceeds from long-term loans
                                                                                                
          principal payments on revolving credit facilities
                                                                                                
          principal payments on long-term debt and capital lease
                                                                                                
          payments of equity issuance costs
                                                                                                
          fixed asset purchases included in accounts payable
                                                               20,000 -34,000   25,000 -8,000 34,000 -5,000 52,000 16,000 7,000 1,000 13,000 -48,000                    
          proceeds from revolving credit facility
                                                     6,500,000 18,000,000 11,000,000  8,000,000 14,000,000 14,000,000   19,482,000                                 
          principal payments on revolving credit facility
                                                     -12,500,000                                           
          principal payments on term debt
                                                     -2,500,000 -2,500,000 -2,500,000                                         
          fixed asset purchased included in accounts payable
                                                     -42,000 -35,000 114,000                                         
          net settlement of common stock
                                                      -23,000 -1,334,000                                         
          principal payments on long-term debt and capital lease obligations
                                                                                                
          amortization of intangibles
                                                         1,527,000 1,441,000 1,499,000                                     
          deferred income taxes net and other non-current assets
                                                         -173,000 916,000 4,000                                     
          cash from investing activities:
                                                                                                
          cash from financing activities:
                                                                                                
          principal payments on revolving credit facility, term loan and capital lease obligations
                                                                                                
          payments of debt issuance costs, equity issuance costs
                                                                                                
          adjustments to reconcile net income to net cash provided operating activities:
                                                                                                
          accounts receivable, net of allowance
                                                          2,405,000 599,000  11,705,000 7,032,000 -7,923,000  10,109,000 223,000 -3,413,000    -10,735,000  -5,189,000 140,000 3,324,000  -2,179,000                   
          principal payments on revolving credit facility, term debt and capital lease obligations
                                                          -16,499,000 -19,002,000  -19,987,000 -20,149,000 -20,394,000                                 
          fixed asset purchases in accounts payable
                                                          -68,000 122,000                                     
          income taxes
                                                           218,000            -5,005,000                         
          other current liabilities
                                                                                                
          proceeds from term loan and revolving credit facility
                                                                                                
          cash paid/refunded during the period:
                                                                                                
          cash flows used in investing activities:
                                                                                                
          cash paid (refunds) during the period for:
                                                                                                
          principal payments on term debt and capital lease obligations
                                                                 -680,000 -1,068,000 -1,353,000                             
          changes in and impairment of goodwill and long-lived assets
                                                                                                
          repurchase of common stock
                                                                            -2,329,000                    
          principal payments on capital lease obligations
                                                                     -2,000 -3,000 12,000 -8,000 -3,000 -7,000 14,000 -16,000 -3,000 -7,000 -19,000 -17,000 -15,000 -16,000 -17,000 1,000 -15,000 -14,000 -14,000 -18,000 -20,000 -20,000 -45,000 -17,000 -42,000 -20,000 
          principal payments on short-term debt
                                                                     -504,000 -500,000 -495,000 -4,146,000 -625,000 -4,101,000                     
          principal payments on long-term debt
                                                                         -487,000 -2,485,000 -683,000 20,000 -770,000 -839,000 -836,000 -5,832,000 -828,000 -1,250,000 -1,443,000 -2,582,000            
          cash activities during the period for:
                                                                                                
          income taxes refunded
                                                                                               
          net cash from acquisition
                                                                                  -3,541,000 -1,206,000           
          changes in goodwill
                                                                                                
          cash paid during the period for:
                                                                                                
          adjustments to reconcile net income to net cash from (used in) operating activities:
                                                                                                
          common stock issued in acquisition
                                                                                    999,000           
          interest expense
                                                                                                
          cash from investing activities
                                                                               -3,567,000  -1,319,000 -1,907,000 -1,233,000             
          loss on sale of equipment
                                                                                         17,000 13,000     
          decrease in restricted cash
                                                                                                
          acquisition related tax benefit
                                                                                                
          proceeds from bank borrowings and long term debt, net of deferred loan costs
                                                                                                
          acquisition of equipment under capital lease
                                                                                            99,000 
          accretion of series a notes issued to employees
                                                                                                
          loss on sale of equipment and leasehold improvements
                                                                                                
          amortization of stock-based compensation
                                                                                     548,000           
          excess tax benefit from stock-based arrangements
                                                                                     -58,000 -102,000 -495,000         
          other accrued expenses and liabilities
                                                                                     591,000 -2,060,000 1,561,000         
          proceeds from sale of equipment and leasehold improvements
                                                                                        4,000 5,000     
          acquisition-related tax benefit
                                                                                                
          proceeds from long-term debt and bank borrowings, net of deferred loan costs
                                                                                                
          amortization of deferred stock-based compensation
                                                                                       51,000         
          tax benefit from stock-based compensation
                                                                                       495,000 66,000 17,000       
          loss on equipment sale
                                                                                                
          other assets
                                                                                          -42,000 -8,000  24,000 -7,000 -7,000 
          principal payments on notes to related parties
                                                                                               
          accretion of series a senior notes issued to employees
                                                                                                
          amortization of deferred compensation
                                                                                         52,000 53,000 52,000  52,000 52,000 604,000 
          net cash from investing activites
                                                                                         79,000 -344,000 -297,000     
          cash at beginning of period
                                                                                         11,440,000 6,035,000 
          cash at end of period
                                                                                         2,832,000 449,000 10,843,000 1,507,000 2,457,000 241,000 7,235,000 
          accrued expenses and other liabilities
                                                                                          360,000 118,000  -83,000 -3,311,000 4,092,000 
          noncash investing and financing activities:
                                                                                                
          receivable for subscribed stock
                                                                                               -39,060,000 
          common stock issued to employees
                                                                                                
          adjustments to reconcile net income to net cash (used in) provided by operating activities:
                                                                                                
          purchase of certificate of deposit
                                                                                                
          borrowings (repayments) on notes to related parties
                                                                                                
          principal payments of borrowings
                                                                                                
          proceeds from issuance of long-term debt to related parties
                                                                                                
          1.
                                                                                                
          account receivable
                                                                                               -7,955,000