7Baggers

Petco Health and Wellness Company, Inc
(NASDAQ:WOOF) 

WOOF stock logo

Petco Health and Wellness Company, Inc. operates as a retailer of premium pet consumables, supplies, and companion animals and services. The company also offers grooming, in-store and online training, tele-veterinarian, and pet health insurance services, as well as veterinary services through Vetco ...

Founded: 1965
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Quarterly
Annual
    Unit: USD2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 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 2003-12-31 2003-09-30 2003-06-30 2003-03-31 2002-12-31 2002-06-30 
                                                                
      revenue
    743,132,000 656,854,000 643,081,000 656,854,000 653,489,000 563,439,000 533,720,000 551,717,000 548,785,000 499,453,000 479,927,000 499,577,000 489,472,000 449,507,000 435,453,000 464,055,000 465,255,000 438,606,000 418,192,000 433,613,000 438,372,000 409,465,000 368,998,000 385,135,000 376,105,000 355,123,000 260,839,000 358,703,000 353,919,000 330,734,000 315,219,000 338,562,000 344,876,000 315,850,000 303,169,000 332,035,000 334,434,000 307,832,000 284,158,000 306,537,000 300,305,000 265,145,000 242,351,000 251,632,000 255,150,000 234,180,000 216,977,000 229,242,000 206,584,000 186,863,000 176,440,000 183,352,000 169,947,000 144,350,000 95,316,500 132,903,000 132,363,000 116,000,000  117,225,000 
      yoy
    13.72% 16.58% 20.49% 19.06% 19.08% 12.81% 11.21% 10.44% 12.12% 11.11% 10.21% 7.65% 5.21% 2.49% 4.13% 7.02% 6.13% 7.12% 13.33% 12.59% 16.56% 15.30% 41.47% 7.37% 6.27% 7.37% -17.25% 5.95% 2.62% 4.71% 3.97% 1.97% 3.12% 2.60% 6.69% 8.32% 11.36% 16.10% 17.25% 21.82% 17.70% 13.22% 11.69% 9.77% 23.51% 25.32% 22.97% 25.03% 21.56% 29.45% 85.11% 37.96% 28.39% 24.44%  13.37%     
      qoq
    13.14% 2.14% -2.10% 0.51% 15.98% 5.57% -3.26% 0.53% 9.88% 4.07% -3.93% 2.06% 8.89% 3.23% -6.16% -0.26% 6.08% 4.88% -3.56% -1.09% 7.06% 10.97% -4.19% 2.40% 5.91% 36.15% -27.28% 1.35% 7.01% 4.92% -6.89% -1.83% 9.19% 4.18% -8.69% -0.72% 8.64% 8.33% -7.30% 2.08% 13.26% 9.41% -3.69% -1.38% 8.95% 7.93% -5.35% 10.97% 10.55% 5.91% -3.77% 7.89% 17.73% 51.44% -28.28% 0.41% 14.11%    
      direct costs
    558,039,000 500,277,000 508,322,000 500,277,000 489,541,000 426,659,000 416,024,000 414,051,000 407,938,000 385,591,000 380,909,000 375,820,000 369,057,000 348,056,000 347,967,000 353,378,000 350,961,000 341,683,000 336,385,000 334,432,000 337,765,000 316,086,000 297,288,000 294,998,000 279,273,000 275,345,000 268,526,000 273,404,000 260,435,000 247,939,000 243,412,000 247,422,000 247,264,000 233,409,000 229,297,000 243,267,000 237,468,000 224,801,000 214,837,000 220,235,000 210,427,000 189,225,000 180,735,000 181,167,000 180,188,000 170,659,000 165,016,000 166,598,000 145,849,000 136,336,000 132,254,000 133,571,000 119,943,000 101,568,000 127,191,000 88,710,000 86,504,000 79,751,000  77,004,000 
      gross profit
    185,093,000 156,577,000 134,759,000 156,577,000 163,948,000 136,780,000 117,696,000 137,666,000 140,847,000 113,862,000 99,018,000 123,757,000 120,415,000 101,451,000 87,486,000 110,677,000 114,294,000 96,923,000 81,807,000 99,181,000 100,607,000 93,379,000 71,710,000 90,137,000 96,832,000 79,778,000 69,586,000 85,299,000 93,484,000 82,795,000 71,807,000 91,140,000 97,612,000 82,441,000 73,872,000 88,768,000 96,966,000 83,031,000 69,321,000 86,302,000 89,878,000 75,920,000 61,616,000 70,465,000 74,962,000 63,521,000 51,961,000 62,644,000 60,735,000 50,527,000 44,186,000 49,781,000 50,004,000        
      yoy
    12.90% 14.47% 14.50% 13.74% 16.40% 20.13% 18.86% 11.24% 16.97% 12.23% 13.18% 11.82% 5.36% 4.67% 6.94% 11.59% 13.60% 3.80% 14.08% 10.03% 3.90% 17.05% 3.05% 5.67% 3.58% -3.64% -3.09% -6.41% -4.23% 0.43% -2.80% 2.67% 0.67% -0.71% 6.57% 2.86% 7.89% 9.37% 12.50% 22.47% 19.90% 19.52% 18.58% 12.48% 23.42% 25.72% 17.60% 25.84% 21.46%            
      qoq
    18.21% 16.19% -13.93% -4.50% 19.86% 16.21% -14.51% -2.26% 23.70% 14.99% -19.99% 2.78% 18.69% 15.96% -20.95% -3.16% 17.92% 18.48% -17.52% -1.42% 7.74% 30.22% -20.44% -6.91% 21.38% 14.65% -18.42% -8.76% 12.91% 15.30% -21.21% -6.63% 18.40% 11.60% -16.78% -8.45% 16.78% 19.78% -19.68% -3.98% 18.39% 23.21% -12.56% -6.00% 18.01% 22.25% -17.05% 3.14% 20.20% 14.35% -11.24% -0.45%         
      gross margin %
    24.91% 23.84% 20.96% 23.84% 25.09% 24.28% 22.05% 24.95% 25.67% 22.80% 20.63% 24.77% 24.60% 22.57% 20.09% 23.85% 24.57% 22.10% 19.56% 22.87% 22.95% 22.81% 19.43% 23.40% 25.75% 22.46% 26.68% 23.78% 26.41% 25.03% 22.78% 26.92% 28.30% 26.10% 24.37% 26.73% 28.99% 26.97% 24.40% 28.15% 29.93% 28.63% 25.42% 28.00% 29.38% 27.12% 23.95% 27.33% 29.40% 27.04% 25.04% 27.15% 29.42% 0% 0% 0% 0% 0% NaN% 0% 
      selling, general and administrative expense
    59,776,000 49,343,000 57,063,000 49,343,000 48,190,000 50,128,000 50,252,000 44,860,000 44,485,000 44,398,000 47,343,000 42,792,000 39,931,000 41,440,000 40,295,000 38,747,000 39,023,000 39,846,000 41,499,000 37,608,000 38,997,000 39,051,000 35,778,000 32,488,000 26,663,000 26,183,000 29,251,000 27,105,000 41,045,000 26,140,000 25,785,000 25,258,000 23,205,000 23,189,000 22,737,000 22,003,000 22,809,000 23,178,000 21,066,000 22,295,000 22,043,000 21,473,000 20,705,000 18,946,000 19,484,000 18,885,000 18,242,000 18,394,000 15,417,000 14,132,000     6,846,000 8,931,000 9,090,000 9,363,000  8,539,000 
      net loss on sale or disposal of assets
    230,000 236,000 478,000 236,000 -271,000 563,000 1,063,000 250,000 -819,000 335,000 -979,000 470,000 578,000 -1,221,000 296,750 -109,000 -430,000 1,726,000                                           
      operating income
    125,087,000 106,998,000 77,218,000 106,998,000 116,029,000 86,089,000 66,381,000 97,079,000 97,181,000 69,129,000 52,654,000 53,476,000 79,906,000 61,232,000 45,923,000 72,039,000 75,701,000 55,351,000 -83,553,000 61,186,000 61,498,000 53,805,000 14,197,000 57,841,000 70,109,000 53,506,000 40,124,000 58,042,000 52,453,000 56,630,000 47,591,000 65,473,000 68,964,000 59,500,000 50,934,000 66,675,000 74,030,000 60,037,000 47,807,000 63,674,000 67,415,000 54,325,000 40,694,000 51,516,000 55,563,000 44,754,000 33,305,000 44,135,000 45,396,000 36,405,000 29,427,000 36,756,000 38,235,000 30,797,000 22,538,000 31,241,000 33,194,000 23,547,000  28,543,000 
      yoy
    7.81% 24.29% 16.33% 10.22% 19.39% 24.53% 26.07% 81.54% 21.62% 12.90% 14.66% -25.77% 5.55% 10.62% -154.96% 17.74% 23.10% 2.87% -688.53% 5.78% -12.28% 0.56% -64.62% -0.35% 33.66% -5.52% -15.69% -11.35% -23.94% -4.82% -6.56% -1.80% -6.84% -0.89% 6.54% 4.71% 9.81% 10.51% 17.48% 23.60% 21.33% 21.39% 22.19% 16.72% 22.40% 22.93% 13.18% 20.08% 18.73% 18.21% 30.57% 17.65% 15.19% 30.79%  9.45%     
      qoq
    16.91% 38.57% -27.83% -7.78% 34.78% 29.69% -31.62% -0.10% 40.58% 31.29% -1.54% -33.08% 30.50% 33.34% -36.25% -4.84% 36.77% -166.25% -236.56% -0.51% 14.30% 278.99% -75.46% -17.50% 31.03% 33.35% -30.87% 10.66% -7.38% 18.99% -27.31% -5.06% 15.91% 16.82% -23.61% -9.94% 23.31% 25.58% -24.92% -5.55% 24.10% 33.50% -21.01% -7.28% 24.15% 34.38% -24.54% -2.78% 24.70% 23.71% -19.94% -3.87% 24.15% 36.64% -27.86% -5.88% 40.97%    
      operating margin %
    16.83% 16.29% 12.01% 16.29% 17.76% 15.28% 12.44% 17.60% 17.71% 13.84% 10.97% 10.70% 16.32% 13.62% 10.55% 15.52% 16.27% 12.62% -19.98% 14.11% 14.03% 13.14% 3.85% 15.02% 18.64% 15.07% 15.38% 16.18% 14.82% 17.12% 15.10% 19.34% 20.00% 18.84% 16.80% 20.08% 22.14% 19.50% 16.82% 20.77% 22.45% 20.49% 16.79% 20.47% 21.78% 19.11% 15.35% 19.25% 21.97% 19.48% 16.68% 20.05% 22.50% 21.33% 23.65% 23.51% 25.08% 20.30% NaN% 24.35% 
      interest expense
    10,169,000 9,300,000 8,639,000 9,300,000 7,867,000 7,095,000 5,812,000 5,455,000 5,104,000 4,837,000 5,387,000 4,367,000 4,030,000 4,167,000 4,489,000 4,474,000 5,658,000 4,307,000 4,274,000 4,295,000 4,364,000 4,087,000 4,669,000 4,222,000 4,575,000 4,019,000 4,066,000 3,619,000 2,778,000 3,167,000 5,830,000 4,808,000 5,726,000 6,118,000 10,519,000 6,709,000 7,045,000 7,615,000 11,531,000 8,930,000 6,671,000 5,773,000 7,988,000 6,084,000 5,927,000 6,312,000 8,295,000 6,034,000 6,081,000 6,667,000 7,511,000 6,629,000 6,098,000 5,985,000 6,316,000 6,361,000 6,418,000 6,992,000   
      debt retirement costs
        1,600,000       1,709,000            2,764,000   -419,000 2,550,000                     19,282,000  70,000  810,000   1,701,000  7,417,000   
      other income
    -280,000             -53,000 -28,250 -86,000 -18,000 -9,000   -148,000  -250 8,000 -67,000 58,000 -282,000 -180,000 -335,000 25,000 27,000 -1,000 -20,000 -110,000 -73,000 12,000 -213,000 177,000 89,000 -1,000 172,000 55,000 32,000 73,000 -31,000  121,000 -130,000 67,000 64,000 -153,000 -9,000 -287,000 111,000 -247,000 -129,000 131,000 127,000  -61,000 
      income before provision for income taxes
    115,198,000 97,819,000 68,944,000 97,819,000 107,162,000 79,258,000 103,736,000 91,565,000 92,114,000 64,226,000 47,398,000 47,212,000 75,833,000 57,118,000 41,610,000 67,651,000 70,061,000 51,053,000 -87,510,000 57,175,000 57,282,000 55,644,000                        37,734,000               
      provision for income taxes
    44,774,000 37,040,000 26,468,000 37,040,000 40,736,000 31,536,000 39,582,000 35,097,000 36,191,000 24,673,000 17,489,000 18,261,000 28,925,000 22,203,000 15,882,000 25,740,000 26,601,000 19,230,000 -30,485,000 21,533,000 21,504,000 19,323,000                        8,075,000               
      net income
    70,424,000 60,779,000 42,476,000 60,779,000 66,426,000 47,722,000 64,154,000 56,468,000 55,923,000 39,553,000 29,909,000 28,951,000 46,908,000 34,915,000 25,728,000 41,911,000 43,460,000 31,823,000 -57,025,000 35,642,000 35,778,000 36,321,000 -2,060,000 31,359,000 40,065,000 30,496,000 22,122,000 28,587,000 30,517,000 32,932,000 26,251,000 37,486,000 38,968,000 32,881,000 25,691,000 35,774,000 40,317,000 31,202,000 24,623,000 32,229,000 35,847,000 28,313,000 19,340,000 26,977,000 29,553,000 29,659,000 17,051,000 22,257,000 11,262,000 17,246,000 13,317,000 17,344,000 18,167,000 14,744,000 8,505,500 13,489,000 15,350,000 5,183,000  10,495,000 
      yoy
    6.02% 27.36% -33.79% 7.63% 18.78% 20.65% 114.50% 95.05% 19.22% 13.28% 16.25% -30.92% 7.93% 9.72% -145.12% 17.59% 21.47% -12.38% 2668.20% 13.66% -10.70% 19.10% -109.31% 9.70% 31.29% -7.40% -15.73% -23.74% -21.69% 0.16% 2.18% 4.79% -3.35% 5.38% 4.34% 11.00% 12.47% 10.20% 27.32% 19.47% 21.30% -4.54% 13.42% 21.21% 162.41% 71.98% 28.04% 28.33% -38.01% 16.97% 56.57% 28.58% 18.35% 184.47%  28.53%     
      qoq
    15.87% 43.09% -30.11% -8.50% 39.19% -25.61% 13.61% 0.97% 41.39% 32.24% 3.31% -38.28% 34.35% 35.71% -38.61% -3.56% 36.57% -155.81% -259.99% -0.38% -1.50% -1863.16% -106.57% -21.73% 31.38% 37.85% -22.62% -6.32% -7.33% 25.45% -29.97% -3.80% 18.51% 27.99% -28.19% -11.27% 29.21% 26.72% -23.60% -10.09% 26.61% 46.40% -28.31% -8.72% -0.36% 73.94% -23.39% 97.63% -34.70% 29.50% -23.22% -4.53% 23.22% 73.35% -36.94% -12.12% 196.16%    
      net income margin %
    9.48% 9.25% 6.61% 9.25% 10.16% 8.47% 12.02% 10.23% 10.19% 7.92% 6.23% 5.80% 9.58% 7.77% 5.91% 9.03% 9.34% 7.26% -13.64% 8.22% 8.16% 8.87% -0.56% 8.14% 10.65% 8.59% 8.48% 7.97% 8.62% 9.96% 8.33% 11.07% 11.30% 10.41% 8.47% 10.77% 12.06% 10.14% 8.67% 10.51% 11.94% 10.68% 7.98% 10.72% 11.58% 12.67% 7.86% 9.71% 5.45% 9.23% 7.55% 9.46% 10.69% 10.21% 8.92% 10.15% 11.60% 4.47% NaN% 8.95% 
      net income attributable to noncontrolling interests
    2,712,000 2,548,000 1,788,000 2,548,000 2,376,000 1,495,000 559,000 1,614,000 1,624,000 1,252,000 1,550,000 1,499,000 1,324,000 872,000 1,011,000 1,264,000 1,798,000 1,338,000 1,026,000 1,605,000 1,458,000 1,076,000 1,155,000 1,190,000 453,000 1,657,000 649,000 1,156,000 1,113,000 997,000 899,000 1,125,000 1,223,000 911,000                           
      net income attributable to vca inc.
    67,712,000 58,231,000 40,688,000 58,231,000 64,050,000 46,227,000 63,595,000 54,854,000 54,299,000 38,301,000 28,359,000 27,452,000 45,584,000                                                
      basic earnings per share
    0.83 0.72 0.51 0.72 0.79 0.57 0.79 0.68 0.66 0.47 0.34 0.32 0.52 0.39 0.28 0.46 0.47 0.34 -0.66 0.39 0.39 0.41 -0.04 0.35 0.46 0.33 0.25 0.32 0.34 0.37 0.29 0.43 0.45 0.38 0.3 0.42 0.48 0.37 0.29 0.38                     
      diluted earnings per share
    0.82 0.71 0.5 0.71 0.78 0.57 0.78 0.67 0.65 0.46 0.33 0.31 0.51 0.38 0.27 0.45 0.46 0.34 -0.66 0.38 0.39 0.4 -0.04 0.35 0.45 0.33 0.25 0.32 0.34 0.37 0.3 0.42 0.44 0.37 0.3 0.42 0.47 0.36 0.28 0.38                     
      weighted-average shares outstanding for basic earnings per share
    81,267 80,924 80,926 80,924 80,835 80,776 81,443 80,815 81,956 82,347 86,656 86,274 88,041 88,338 88,621 88,834 88,509 88,400 87,681 87,773 87,589 86,984 86,606 86,697 86,535 86,355 86,049 86,086 86,041 85,824 85,077 85,217 84,825 84,680 84,455 84,463 84,371 84,348 83,893 83,957                     
      weighted-average shares outstanding for diluted earnings per share
    82,228 81,812 81,725 81,812 81,729 81,523 82,414 81,795 83,084 83,373 87,825 87,360 89,191 89,421 89,663 89,845 89,653 89,379 88,671 88,654 88,723 88,055 87,394 87,253 87,304 87,245 87,051 86,964 87,178 86,870 86,097 86,431 85,937 85,386 85,700 85,789 85,725 85,865 85,716 85,752                     
      business interruption insurance gain
           -4,523,000                                                     
      other expense
     -121,000 83,000 -121,000 -600,000 -264,000 271,000 59,000 -37,000 66,000 41,000 188,000 43,000      151,000 -284,000  -207,000                        -66,000               
      impairment of goodwill and other long-lived assets
               27,019,000                                                 
      net income attributable to vca antech, inc.
                 34,043,000            28,839,000    31,935,000 26,519,000 36,361,000 37,745,000 31,970,000                           
      business combination adjustment gain
                         -5,719,000                                       
      net income attributable to vca antech, inc
                  28,198,500 40,647,000 41,662,000 30,485,000 -58,051,000 34,037,000 34,320,000 35,245,000 -3,215,000 30,169,000 39,612,000  22,192,500 27,431,000 29,404,000                                
      net loss on sale of assets
                      288,000 387,000 112,000 523,000                                       
      net (gain) loss on sale of assets
                          -10,750 -192,000     -14,000                                
      income before benefit from income taxes
                          41,469,250 50,847,000 65,601,000 49,429,000 36,759,000 52,053,000 50,010,000 53,438,000 42,750,000 60,666,000 63,258,000 53,492,000 42,931,000 58,774,000 66,210,000 51,288,000 38,895,000 53,558,000 59,544,000 47,651,000 34,165,000 44,513,000 48,767,000  26,367,000 37,453,000 19,120,000 28,989,000 22,089,000 29,390,000 30,859,000 24,285,000 14,421,250 22,852,000 26,183,000 8,650,000  17,732,000 
      benefit from income taxes
                          15,989,250 19,488,000 25,536,000 18,933,000 14,637,000 23,466,000 19,493,000 20,506,000 16,499,000 23,180,000 24,290,000 20,611,000 17,240,000 23,000,000 25,893,000 20,086,000 14,272,000 21,329,000 23,697,000 19,338,000 14,825,000 17,536,000 19,214,000  9,316,000 15,196,000 7,858,000 11,743,000 8,772,000 12,046,000 12,692,000 9,541,000 5,915,750 9,363,000 10,833,000 3,467,000  7,237,000 
      net income (gain) on sale of assets
                            60,000                                    
      net income on sale of assets
                             89,000 211,000 152,000                                 
      gain on sale and disposal of assets
                                 25,000                               
      write-off of internal-use software
                                  1,317,750  5,271,000                            
      net income on sale and disposal of assets
                                  3,702,000 409,000                             
      gain on sale of assets
                                    172,000 -248,000     218,750 333,000   -50,000 3,000 -85,000 -118,000 6,750 115,000 -78,000 -10,000   4,000 62,000   78,000 238,000   
      write-down and loss on sale of assets
                                      201,000 90,000                         
      income before minority interest and benefit from income taxes
                                      43,817,000 59,954,000 67,198,000 52,245,000   60,572,000 48,497,000                   
      minority interest in income of subsidiaries
                                      886,000 1,180,000 988,000 957,000 694,000 1,187,000 1,028,000 846,000 580,000 846,000 900,000 774,000 800,000 778,000 846,000 685,000   755,000 416,000 354,000 456,000 462,000 361,000  528,000 
      write-down and gain on sale of assets
                                        127,000     122,000         5,000 -12,000         
      write-down and (gain) loss on sale of assets
                                         -184,000                       
      write-down and gain sale of assets
                                            420,000                    
      basic earnings per common share
                                            430 340 230 320 360 360 200 270 140 210 160 210 440 360 230 330 380 130  290 
      diluted earnings per common share
                                            420 330 220 320 350 350 200 260 130 210 160 210 440 360 220 330 370 130  280 
      shares used for computing basic earnings per share
                                            83,742 83,924 106 83,339 83,118 82,813 75 82,526 82,343 82,220 93 81,944 40,837 40,741 10,023.75 40,641 40,606 39,021  36,739 
      shares used for computing diluted earnings per share
                                            85,605 85,649 18 85,187 84,838 84,583 178 84,019 83,874 83,511 61 83,455 41,691 41,510 10,162.5 41,334 41,136 39,417  37,087 
      selling, general and administrative
                                                      8,375,750 13,037,000 11,765,000 8,307,000       
      minority interest expense
                                                      479,250 746,000         
      depreciation and amortization
                                                         3,616,000 3,633,000 3,579,000 3,497,000 3,577,000  3,139,000 
      write down and gain on sale of assets
                                                          70,500 442,000     
      net interest expense
                                                               10,344,000 
      increase in carrying amount of redeemable preferred stock
                                                                
      net income available to common stockholders
                                                               10,495,000 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 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 2003-12-31 2003-09-30 2003-06-30 2003-03-31 2002-12-31 2002-06-30 
                                                                  
        assets
                                                                  
        current assets:
                                                                  
        cash and cash equivalents
      119,052,000 72,914,000 81,409,000 72,914,000 109,684,000 74,480,000 98,888,000 74,992,000 74,326,000 59,278,000 81,383,000 126,507,000 122,535,000 137,288,000 125,029,000 153,174,000 112,270,000 105,286,000 68,435,000 79,661,000 64,067,000 72,716,000 63,651,000 79,243,000 155,783,000 130,399,000 97,126,000 132,233,000 193,757,000 178,197,000 145,181,000 155,001,000 138,895,000 109,084,000 88,959,000 95,303,000 75,924,000 86,244,000 110,866,000 87,155,000 62,107,000 38,245,000 45,104,000 32,821,000 20,801,000 32,180,000 58,488,000 44,501,000 115,515,000 41,526,000 30,964,000 50,834,000 32,836,000 29,361,000 17,237,000 18,445,000 22,512,000 24,675,000 6,462,000 17,704,000 
        trade accounts receivable, less allowance for uncollectible accounts of 22,781 and 23,440 at june 30, 2017 and december 31, 2016, respectively
      86,323,000                                                            
        inventory
      56,541,000 60,811,000 57,590,000 60,811,000 61,829,000 54,961,000 51,523,000 51,597,000 53,789,000 55,142,000 56,050,000 50,325,000 42,483,000 54,227,000 55,067,000 51,929,000 51,374,000 54,072,000 51,456,000 53,526,000 54,282,000 52,697,000 48,661,000 46,876,000 42,682,000 43,057,000 40,760,000 34,580,000 34,088,000 32,489,000 32,031,000 31,100,000 26,322,000 26,366,000 26,631,000 24,998,000 25,527,000 25,100,000 25,517,000 21,332,000 20,832,000 21,491,000 21,420,000 20,483,000 18,851,000 17,309,000 17,856,000 17,407,000 14,676,000 13,169,000 10,448,000    5,591,000    5,102,000  
        prepaid expenses and other
      42,721,000 33,905,000 44,752,000 33,905,000 36,221,000 33,090,000 30,521,000 30,827,000 27,874,000 30,425,000 36,924,000 32,830,000 39,921,000 23,713,000 25,417,000 25,115,000 24,660,000 24,918,000 25,086,000 24,302,000 23,923,000 24,091,000 21,883,000 23,203,000   21,138,000  22,299,000 24,516,000 27,242,000 20,671,000 19,689,000 18,112,000 18,800,000 19,245,000 19,251,000 15,246,000 15,307,000 13,616,000 15,617,000 13,381,000 13,492,000 12,315,000 13,779,000 10,507,000 9,867,000 7,673,000 6,034,000 6,305,000 6,275,000    3,841,000    3,541,000  
        prepaid income taxes
        11,705,000  1,153,000 7,798,000 24,598,000  6,472,000  18,277,000  9,369,000 454,000 15,434,000 1,512,000 8,185,000 6,904,000 20,061,000 20,610,000 21,310,000 6,087,000 18,373,000 10,765,000 11,554,000 8,727,000 19,047,000 15,598,000 13,352,000  6,252,000 1,152,000 4,105,000  5,287,000 549,000   8,160,000  579,000  13,523,000 18,235,000 9,913,000 2,314,000 12,337,000 2,000 11,786,000 1,219,000 10,830,000 8,368,000 5,866,000 1,228,000 7,266,000  2,704,000 6,153,000 7,614,000  
        total current assets
      304,637,000 249,796,000 281,049,000 249,796,000 292,044,000 249,869,000 282,164,000 262,399,000 274,378,000 248,935,000 283,447,000 304,186,000 309,195,000 309,277,000 309,754,000 318,630,000 292,871,000 288,407,000 243,529,000 268,907,000 256,552,000 246,294,000 237,157,000 233,661,000 307,528,000 275,295,000 246,314,000 274,247,000 335,630,000 308,275,000 278,210,000 274,727,000 255,160,000 218,057,000 199,068,000 200,327,000 184,443,000 189,694,000 216,902,000 186,472,000 164,194,000 138,871,000 152,965,000 136,795,000 115,030,000 111,251,000  116,194,000 193,469,000 107,424,000 100,175,000 109,026,000 90,270,000  67,310,000      
        property and equipment
      656,362,000 582,840,000 613,224,000 582,840,000 564,034,000 540,017,000 507,753,000 492,532,000 477,929,000 472,944,000 468,041,000 450,617,000 445,199,000 449,434,000 448,366,000 445,392,000 429,745,000 406,849,000 403,444,000 392,367,000 384,704,000 377,082,000 370,646,000 361,451,000   331,687,000    289,415,000    263,443,000    214,020,000    166,033,000    143,781,000   123,708,000 119,903,000 114,983,000 110,967,000 99,686,000 99,161,000 98,410,000 96,845,000 95,098,000 95,303,000 90,268,000 
        goodwill
      2,264,265,000 2,063,494,000 2,164,422,000 2,063,494,000 1,963,377,000 1,656,389,000 1,517,650,000 1,489,843,000 1,452,370,000 1,439,598,000 1,415,861,000 1,368,230,000 1,355,396,000 1,340,054,000 1,330,917,000 1,320,952,000 1,307,487,000 1,294,189,000 1,291,231,000 1,366,117,000 1,345,529,000 1,338,569,000 1,237,607,000 1,254,061,000 1,100,858,000 1,094,704,000 1,092,480,000 1,074,316,000 1,006,562,000 995,123,000 985,674,000 970,274,000 951,701,000 940,124,000 922,057,000 890,393,000 885,447,000 866,096,000 821,967,000 847,942,000 833,336,000 652,339,000 625,748,000 615,784,000 610,658,000 603,191,000 586,444,000 579,637,000 519,135,000 513,477,000 499,144,000 481,076,000 477,733,000 386,748,000 373,238,000 370,009,000 363,229,000 348,569,000 342,614,000 325,730,000 
        other intangible assets
      207,158,000 209,095,000 212,577,000 209,095,000 257,648,000 114,469,000 97,377,000 100,939,000 98,908,000 82,913,000 88,175,000 78,611,000 82,746,000 85,128,000 86,671,000 90,139,000 86,731,000 90,395,000 94,823,000 116,762,000 107,927,000 112,285,000 92,403,000 94,072,000 43,625,000 44,940,000 46,986,000 45,854,000 42,019,000 43,345,000 44,280,000 44,211,000 36,195,000 36,600,000 35,645,000 33,914,000 34,156,000 24,548,000 22,373,000 16,586,000 17,756,000 16,604,000 16,293,000 15,006,000 14,495,000 10,674,000 10,735,000 11,328,000 11,300,000 11,629,000 11,660,000 7,716,000 8,177,000        
        notes receivable
      2,196,000 2,142,000 2,147,000 2,142,000 2,173,000 5,472,000 2,194,000 2,345,000 2,471,000 2,695,000 2,807,000 3,016,000 3,199,000 3,225,000 3,454,000 3,474,000 3,625,000 3,139,000 6,080,000 6,193,000 6,232,000 6,090,000 6,202,000 6,441,000 6,226,000 6,113,000 6,429,000 6,216,000 5,763,000 5,662,000 5,153,000 4,819,000 4,660,000 4,719,000 12,893,000 12,766,000 12,355,000 9,510,000 3,493,000 2,897,000   2,675,000    2,869,000    4,903,000    4,218,000    3,505,000  
        other
      103,107,000 101,695,000 99,909,000 101,695,000 99,851,000 97,459,000 93,994,000 76,564,000 84,050,000 70,477,000 65,815,000 59,517,000 61,120,000 60,130,000 55,632,000 53,453,000 51,434,000 50,805,000 48,241,000 46,390,000 45,383,000 44,083,000 45,918,000 41,417,000 38,179,000 34,143,000 35,826,000 31,953,000 28,026,000 25,991,000 24,091,000 21,586,000 17,699,000 20,849,000 14,865,000 15,738,000 14,419,000 15,427,000 6,419,000 11,278,000 12,003,000 12,299,000 7,264,000 10,459,000 10,357,000 9,994,000 6,280,000 7,404,000 5,927,000 6,494,000 2,263,000 6,900,000 6,039,000 6,027,000 1,649,000 4,284,000 4,435,000 5,583,000 1,519,000  
        total assets
      3,537,725,000 3,209,062,000 3,373,328,000 3,209,062,000 3,179,127,000 2,663,675,000 2,507,265,000 2,431,190,000 2,397,110,000 2,325,002,000 2,332,020,000 2,272,485,000 2,259,238,000 2,249,931,000 2,237,781,000 2,235,335,000 2,175,499,000 2,137,702,000 2,091,580,000 2,201,285,000 2,151,195,000 2,129,591,000 1,995,368,000 1,996,814,000 1,843,412,000 1,795,850,000 1,766,422,000 1,763,497,000 1,720,857,000 1,677,685,000 1,627,404,000 1,599,778,000 1,542,904,000 1,494,526,000 1,449,038,000 1,405,566,000 1,373,758,000 1,327,575,000 1,286,711,000 1,273,145,000 1,221,006,000 1,001,723,000 971,957,000 938,372,000 905,842,000 886,918,000  862,938,000 859,104,000 766,575,000 742,100,000 723,738,000 697,408,000  554,803,000      
        liabilities and equity
                                                                  
        current liabilities:
                                                                  
        current portion of long-term obligations
      49,347,000  38,320,000                            17,195,000 8,418,000 8,178,000 8,117,000 7,771,000 7,778,000 7,810,000 7,794,000 7,886,000 7,997,000 7,554,000 5,645,000 6,648,000 6,620,000 6,619,000 5,667,000 5,884,000 5,826,000 5,538,000 3,323,000 6,043,000 3,613,000 4,578,000 2,356,000 2,403,000 2,445,000 2,698,000 2,340,000 9,622,000 5,364,000 
        accounts payable
      57,231,000 54,150,000 68,587,000 54,150,000 53,177,000 46,573,000 52,337,000 45,512,000 42,071,000 40,997,000 46,284,000 38,858,000 43,827,000 36,240,000 36,962,000 37,797,000 37,841,000 45,594,000 39,416,000 37,859,000 34,798,000 40,136,000 37,797,000 34,178,000 30,708,000 30,710,000 31,970,000 28,464,000 28,814,000 30,333,000 28,326,000 28,958,000 28,967,000 23,704,000 26,087,000 23,685,000 26,288,000 29,998,000 28,092,000 23,905,000 25,307,000 21,457,000 23,328,000 18,021,000 17,317,000 19,561,000 20,718,000 19,294,000 16,892,000 15,883,000 15,566,000 12,611,000 12,258,000 8,854,000 9,208,000 8,925,000 10,130,000 11,767,000 10,223,000 7,122,000 
        accrued payroll and related liabilities
      96,072,000 70,213,000 97,806,000 70,213,000 80,817,000 88,510,000 75,519,000 82,966,000 72,697,000 78,159,000 64,359,000 72,221,000 61,192,000 63,535,000 57,337,000 62,323,000 51,568,000 59,023,000 49,893,000 55,152,000 46,857,000 55,829,000 42,658,000 46,594,000 51,710,000 46,465,000 35,754,000 39,873,000 46,372,000 43,493,000 33,539,000 37,026,000 43,150,000 39,795,000 42,840,000 34,427,000 39,451,000 32,712,000 38,341,000 32,932,000 36,873,000 31,594,000 33,864,000 28,203,000 24,675,000 21,771,000 25,201,000 18,389,000 17,951,000 21,742,000 19,850,000 20,119,000 18,200,000 17,500,000 15,716,000 15,855,000 12,538,000 14,550,000 14,734,000 11,479,000 
        income tax payable
      4,732,000 8,359,000  8,359,000    1,827,000  2,570,000  3,078,000                                                 
        other accrued liabilities
      93,053,000 85,607,000 91,783,000 85,607,000 81,907,000 77,418,000 70,828,000 75,179,000 73,093,000 69,979,000 67,219,000 64,414,000 53,168,000 54,830,000 58,762,000 63,814,000 62,745,000 63,291,000 57,131,000 56,352,000 56,270,000 54,402,000 43,968,000 45,179,000 41,646,000 41,533,000 45,769,000 50,959,000 51,509,000 40,541,000 43,298,000 48,291,000 42,237,000 43,699,000 46,424,000 47,405,000 49,298,000 49,073,000 42,074,000 43,353,000 41,838,000 31,713,000 30,573,000 28,778,000 31,349,000 29,976,000 28,860,000 30,350,000 24,041,000 24,043,000 21,874,000 18,356,000 17,971,000 16,416,000 15,006,000 17,883,000 18,440,000 14,636,000 13,464,000 12,953,000 
        total current liabilities
      300,435,000 250,841,000 296,496,000 250,841,000 241,881,000 246,448,000 232,307,000 239,527,000 221,742,000 218,303,000 197,218,000 190,258,000 208,995,000 205,444,000 204,148,000 215,166,000 199,046,000 210,847,000 185,442,000 184,359,000 172,899,000 185,287,000 156,994,000 154,431,000 151,838,000 146,461,000 141,594,000 147,498,000 635,382,000 129,602,000 122,358,000 122,693,000 122,532,000 124,685,000 123,122,000 113,295,000 125,311,000 128,250,000 116,393,000 108,795,000 111,572,000 93,554,000 94,801,000 81,936,000 80,206,000 77,182,000  74,186,000 67,544,000 70,760,000 64,911,000 60,461,000 54,672,000  43,871,000      
        long-term obligations
      1,325,411,000  1,309,397,000                                                          
        deferred income taxes
      148,368,000 127,104,000 142,535,000 127,104,000 130,209,000 131,150,000 131,478,000 30,329,000 30,324,000 30,324,000 30,331,000 28,921,000 28,908,000 29,075,000 28,907,000 26,130,000 26,130,000 26,131,000 22,579,000 28,747,000 27,671,000 26,854,000 26,310,000 20,129,000 20,330,000 18,875,000 19,019,000 19,445,000 18,727,000 18,797,000 18,318,000 17,364,000 16,980,000 16,566,000 15,938,000 15,284,000 14,907,000 14,659,000 14,402,000 17,866,000 16,988,000 16,526,000 14,935,000 11,850,000 11,952,000 12,168,000 10,972,000 12,847,000 12,190,000 12,220,000 11,472,000 12,921,000 12,672,000 11,433,000 11,040,000 11,697,000 10,405,000 9,709,000 9,528,000 8,310,000 
        other liabilities
      47,472,000 39,509,000 44,560,000 39,509,000 39,236,000 39,167,000 36,084,000 31,969,000 31,862,000 31,745,000 33,190,000 35,811,000 36,505,000 35,953,000 36,758,000 35,947,000 34,437,000 34,807,000 37,267,000 37,429,000 35,574,000 34,800,000 25,947,000 26,247,000 26,512,000 25,906,000 27,972,000 29,307,000 16,846,000 10,422,000 10,651,000 10,525,000 9,408,000 10,174,000 9,890,000 8,474,000 9,208,000 10,709,000 11,236,000 12,118,000 11,855,000 12,251,000 13,294,000 13,975,000 13,803,000 13,476,000 19,775,000 13,761,000 12,254,000 12,699,000 12,915,000 11,223,000 11,860,000 3,544,000 3,216,000 2,007,000 2,007,000 2,007,000 2,007,000  
        total liabilities
      1,821,686,000 1,663,576,000 1,792,988,000 1,663,576,000 1,690,779,000 1,335,387,000 1,238,720,000 1,223,033,000 1,176,408,000 1,119,801,000 1,109,322,000 965,220,000 888,697,000 897,022,000 909,563,000 914,826,000 903,959,000 907,227,000 890,196,000 948,550,000 938,599,000 951,346,000 870,452,000 875,341,000 755,847,000 752,029,000 750,632,000 769,071,000 760,533,000 751,222,000 736,066,000 739,441,000 733,917,000 731,784,000                           
        commitments and contingencies
                                                                  
        redeemable noncontrolling interests
      10,558,000 12,079,000 11,615,000 12,079,000 12,053,000 11,787,000 11,511,000 11,273,000 11,183,000 11,108,000 11,077,000 11,014,000 10,984,000 11,052,000 10,678,000 11,031,000 11,111,000 7,043,000 6,991,000 6,975,000 6,985,000 6,950,000 6,964,000 6,891,000 6,257,000 6,218,000                                   
        preferred stock, par value 0.001, 11,000 shares authorized, none outstanding
                                                                  
        vca inc. stockholders’ equity:
                                                                  
        common stock
      81,000 81,000 81,000 81,000 81,000 81,000 81,000 81,000 81,000 82,000 83,000 85,000 87,000 88,000 89,000 89,000 89,000 88,000 88,000 88,000 88,000 87,000 87,000 87,000 87,000 86,000  86,000 86,000 86,000 86,000 85,000 85,000 85,000 85,000 85,000 84,000 84,000 84,000 84,000 84,000 84,000 84,000 83,000 83,000 83,000  83,000 83,000 82,000 82,000 82,000 41,000  41,000      
        additional paid-in capital
      40,985,000 32,958,000 32,157,000 32,958,000 28,696,000 22,681,000 19,708,000 16,135,000 72,590,000 116,068,000 155,802,000 261,812,000 346,792,000 380,267,000 384,721,000 398,099,000 394,304,000 395,564,000 390,359,000 382,479,000 379,624,000 378,609,000 361,715,000 355,077,000 351,206,000 347,619,000 347,848,000 344,895,000 342,339,000 337,569,000 335,114,000 330,549,000 316,772,000 310,782,000 308,674,000 306,765,000 300,606,000 297,673,000 296,037,000 292,223,000 282,521,000 278,038,000 275,013,000 272,603,000 267,840,000 261,674,000 258,402,000 255,493,000 254,294,000 251,782,000 251,412,000 250,174,000 248,378,000 245,056,000 244,311,000 243,345,000 243,327,000 243,302,000 188,941,000 188,857,000 
        retained earnings
      1,603,196,000 1,443,715,000 1,484,391,000 1,443,715,000 1,385,484,000 1,321,434,000 1,275,207,000 1,211,612,000 1,156,758,000 1,102,459,000 1,064,158,000 1,035,799,000 1,008,347,000 962,763,000 928,720,000 904,003,000 863,356,000 821,694,000 791,209,000 849,260,000 815,223,000 780,903,000 745,658,000 748,873,000 718,704,000 679,092,000               218,746,000   135,246,000 108,269,000 78,716,000  32,006,000 9,749,000            
        accumulated other comprehensive loss
      -37,075,000 -41,028,000 -45,406,000 -41,028,000 -37,827,000 -37,789,000 -50,034,000 -43,909,000 -30,331,000 -34,605,000 -19,397,000 -12,581,000 -6,852,000 -11,283,000               -47,000  -163,000 -1,482,000 -3,094,000 -4,986,000 -6,352,000 -2,365,000 -2,978,000 -6,238,000                       
        total vca inc. stockholders’ equity
      1,607,187,000 1,435,726,000 1,471,223,000 1,435,726,000 1,376,434,000 1,306,407,000 1,244,962,000 1,183,919,000 1,199,098,000 1,184,004,000 1,200,646,000 1,285,115,000 1,348,374,000                                                
        noncontrolling interests
      98,294,000 97,681,000 97,502,000 97,681,000 99,861,000 10,094,000 12,072,000 12,965,000 10,421,000 10,089,000 10,975,000 11,136,000 11,183,000 10,022,000 10,200,000 9,148,000 7,174,000 6,983,000 10,890,000 11,050,000 10,671,000 10,214,000 10,074,000 10,407,000 10,133,000 9,704,000  20,318,000 16,597,000                                
        total equity
      1,705,481,000 1,533,407,000 1,568,725,000 1,533,407,000 1,476,295,000 1,316,501,000 1,257,034,000 1,196,884,000 1,209,519,000 1,194,093,000 1,211,621,000 1,296,251,000 1,359,557,000 1,341,857,000 1,317,540,000 1,309,478,000 1,260,429,000 1,223,432,000 1,194,393,000 1,245,760,000 1,205,611,000 1,171,295,000 1,117,952,000 1,114,582,000 1,081,308,000 1,037,603,000 1,015,790,000 994,426,000 960,324,000 926,463,000 891,338,000 860,337,000 808,987,000 762,742,000                           
        total liabilities and equity
      3,537,725,000 3,209,062,000 3,373,328,000 3,209,062,000 3,179,127,000 2,663,675,000 2,507,265,000 2,431,190,000 2,397,110,000 2,325,002,000 2,332,020,000 2,272,485,000 2,259,238,000 2,249,931,000 2,237,781,000 2,235,335,000 2,175,499,000 2,137,702,000 2,091,580,000 2,201,285,000 2,151,195,000 2,129,591,000 1,995,368,000 1,996,814,000 1,843,412,000 1,795,850,000 1,766,422,000 1,763,497,000 1,720,857,000 1,677,685,000 1,627,404,000 1,599,778,000 1,542,904,000 1,494,526,000                           
        trade accounts receivable, less allowance for uncollectible accounts of 22,569 and 21,775 at september 30, 2016 and december 31, 2015, respectively
       82,166,000  82,166,000                                                         
        current portion of long-term debt
       32,512,000  32,512,000 25,980,000 33,947,000 33,623,000 34,043,000 33,881,000 26,598,000 19,356,000 11,687,000 50,808,000 50,839,000 51,087,000 51,232,000 46,892,000 42,939,000 39,002,000 34,996,000 34,974,000 34,920,000 32,571,000 28,480,000 27,774,000 27,753,000 28,101,000 28,202,000 508,687,000 8,721,000                               
        long-term debt
       1,246,122,000  1,246,122,000 1,279,453,000 918,622,000                                                       
        trade accounts receivable, less allowance for uncollectible accounts of 23,440 and 21,775 at december 31, 2016 and 2015, respectively
        85,593,000                                                          
        trade accounts receivable, less allowance for uncollectible accounts of 22,715 and 21,775 at june 30, 2016 and december 31, 2015, respectively
          83,157,000                                                        
        trade accounts receivable, less allowance for uncollectible accounts of 21,236 and 21,775 at march 31, 2016 and december 31, 2015, respectively
           79,540,000                                                       
        trade accounts receivable, less allowance for uncollectible accounts of 21,775 and 19,846 at december 31, 2015 and 2014, respectively
            76,634,000                                                      
        deferred financing costs
            6,133,000 6,568,000 7,004,000 7,440,000 7,874,000 8,308,000 2,383,000 2,683,000 2,987,000 3,295,000 3,606,000 3,918,000 4,232,000 4,549,000 4,868,000 5,188,000 5,435,000 5,711,000 5,926,000 6,312,000 6,700,000 6,689,000 342,000 449,000 581,000 704,000 826,000 947,000 1,067,000 1,186,000 1,304,000 1,421,000 1,537,000 1,623,000 1,636,000 918,000 979,000 1,041,000 1,114,000 1,208,000 1,340,000 1,405,000 1,496,000 3,843,000 4,052,000 4,037,000 4,222,000 4,421,000 4,601,000 4,766,000 5,952,000 6,174,000 6,778,000 10,459,000 
        long-term debt, less current portion
            838,851,000 847,112,000 819,380,000 766,591,000 775,412,000 648,723,000 542,978,000 555,592,000 568,558,000 581,145,000 587,968,000 578,967,000 591,641,000 604,445,000 613,181,000 621,898,000 586,282,000 598,918,000 485,130,000 492,046,000 498,935,000 502,177,000 23,607,000 525,558,000                               
        trade accounts receivable, less allowance for uncollectible accounts of 22,065 and 19,846 at september 30, 2015 and december 31, 2014, respectively
             74,654,000                                                     
        trade accounts receivable, less allowance for uncollectible accounts of 19,713 and 19,846 at june 30, 2015 and december 31, 2014, respectively
              81,593,000                                                    
        trade accounts receivable, less allowance for uncollectible accounts of 18,712 and 19,846 at march 31, 2015 and december 31, 2014, respectively
               73,766,000                                                   
        trade accounts receivable, less allowance for uncollectible accounts of 19,846 and 17,702 at december 31, 2014 and 2013, respectively
                60,482,000                                                  
        trade accounts receivable, less allowance for uncollectible accounts of 18,292 and 17,702 at september 30, 2014 and december 31, 2013, respectively
                 65,603,000                                                 
        trade accounts receivable, less allowance for uncollectible accounts of 17,771 and 17,702 at june 30, 2014 and december 31, 2013, respectively
                  65,979,000                                                
        trade accounts receivable, less allowance for uncollectible accounts of 17,359 and 17,702 at march 31, 2014 and december 31, 2013, respectively
                   64,520,000                                               
        vca antech, inc. stockholders’ equity:
                                                                  
        total vca antech, inc. stockholders’ equity
                   1,331,835,000 1,307,340,000 1,300,330,000 1,253,255,000 1,216,449,000 1,183,503,000 1,234,710,000 1,194,940,000 1,161,081,000 1,107,878,000 1,104,175,000 1,071,175,000 1,027,899,000 998,924,000 974,108,000 943,727,000 909,947,000 875,047,000 843,810,000 792,060,000 746,433,000                           
        trade accounts receivable, less allowance for uncollectible accounts of 17,702 and 16,546 at december 31, 2013 and 2012, respectively
                    59,900,000                                              
        accumulated other comprehensive income
                    -6,190,000 -1,861,000 -4,494,000 -897,000 1,847,000 2,883,000 5,000 1,482,000 418,000 138,000 1,178,000 1,102,000 737,000 347,000  347,000         -3,335,000 -1,536,000 570,000 281,000 622,000 678,000 1,896,000 1,689,000 1,209,000 1,474,000 -266,000 12,000 34,000 161,000         
        trade accounts receivable, less allowance for uncollectible accounts of 17,420 and 16,546 at september 30, 2013 and december 31, 2012, respectively
                     60,770,000                                             
        trade accounts receivable, less allowance for uncollectible accounts of 16,759 and 16,546 at june 30, 2013 and december 31, 2012, respectively
                      70,252,000                                            
        trade accounts receivable, less allowance for uncollectible accounts of 15,982 and 16,546 at march 31, 2013 and december 31, 2012, respectively
                       71,096,000                                           
        trade accounts receivable, less allowance for uncollectible accounts of 16,546 and 14,978 at december 31, 2012 and 2011, respectively
                        55,912,000                                          
        trade accounts receivable, less allowance for uncollectible accounts of 16,156 and 14,978 at september 30, 2012 and december 31, 2011, respectively
                         62,061,000                                         
        trade accounts receivable, less allowance for uncollectible accounts of 15,599 and 14,978 at june 30, 2012 and december 31, 2011, respectively
                          65,299,000                                        
        trade accounts receivable, less allowance for uncollectible accounts of 15,212 and 14,978 at march 31, 2012 and december 31, 2011, respectively
                           63,849,000                                       
        trade accounts receivable, less allowance for uncollectible accounts of 14,978 and 13,801 at december 31, 2011 and 2010, respectively
                            58,279,000                                      
        trade accounts receivable, less allowance for uncollectible accounts of 14,661 and 13,801 at september 30, 2011 and december 31, 2010, respectively
                             53,445,000                                     
        trade accounts receivable, less allowance for uncollectible accounts of 13,197 and 13,801 at june 30, 2011 and december 31, 2010, respectively
                              54,478,000                                    
        prepaid expense and other
                              22,701,000 19,349,000  20,785,000                                 
        property and equipment, less accumulated depreciation and amortization of218,735 and 198,157 at june 30, 2011 and december 31, 2010, respectively
                              341,070,000                                    
        trade accounts receivable, less allowance for uncollectible accounts of 13,404 and 13,801 at march 31, 2011 and december 31, 2010, respectively
                               54,888,000                                   
        property and equipment, less accumulated depreciation and amortization of 208,693 and 198,157 at march 31, 2011 and december 31, 2010, respectively
                               334,343,000                                   
        commitments and contingencies:
                                                                  
        trade accounts receivable, less allowance for uncollectible accounts of 13,801 and 13,015 at december 31, 2010 and 2009, respectively
                                49,224,000                                  
        shares outstanding as of december 31, 2010 and 2009, respectively
                                86,000                                  
        accumulated earnings
                                650,253,000 628,780,000 601,349,000 571,945,000 540,010,000 514,658,000 478,297,000 440,552,000 408,582,000 382,891,000 347,117,000 306,800,000 275,598,000 250,975,000  182,899,000 154,586,000    49,057,000              
        noncontrolling interest
                                16,866,000   16,516,000 16,291,000 16,527,000 16,927,000 16,309,000                           
        trade accounts receivable, less allowance for uncollectible accounts of 13,448 and 13,015 at september 30, 2010 and december 31, 2009, respectively
                                 51,606,000                                 
        property and equipment, less accumulated depreciation and amortization of 193,185 and 167,506 at september 30, 2010 and december 31, 2009, respectively
                                 324,222,000                                 
        trade accounts receivable, less allowance for uncollectible accounts of 12,647 and 13,015 at june 30, 2010 and december 31, 2009, respectively
                                  53,407,000                                
        property and equipment, less accumulated depreciation and amortization of 184,325 and 167,506 at june 30, 2010 and december 31, 2009, respectively
                                  302,515,000                                
        trade accounts receivable, less allowance for uncollectible accounts of 13,036 and 13,015 at march 31, 2010 and december 31, 2009, respectively
                                   54,276,000                               
        property and equipment, less accumulated depreciation and amortization of 175,768 and 167,506 at march 31, 2010 and december 31, 2009, respectively
                                   298,840,000                               
        income taxes payable
                                   6,514,000    9,370,000   2,464,000 8,673,000    3,145,000              1,232,000    1,901,000 
        trade accounts receivable, less allowance for uncollectible accounts of 13,015
                                                                  
        and 11,025 at december 31, 2009 and 2008, respectively
                                    49,186,000                              
        long-term obligations, less current portion
                                    527,860,000 538,663,000 540,682,000 542,670,000 544,860,000 546,791,000 548,686,000 550,411,000 552,294,000 554,205,000 540,658,000 382,768,000 384,067,000 385,403,000 386,729,000 409,046,000 446,828,000 448,254,000 471,026,000 390,152,000 390,846,000 394,041,000 393,989,000 314,719,000 315,066,000 315,507,000 335,792,000 337,457,000 371,935,000 381,493,000 
        trade accounts receivable, less allowance for uncollectible accounts of 12,813 and 11,025 at september 30, 2009 and december 31, 2008, respectively
                                     49,439,000                             
        property and equipment, less accumulated depreciation and amortization of 159,141 and 138,431 at september 30, 2009 and december 31, 2008, respectively
                                     283,457,000                             
        trade accounts receivable, less allowance for uncollectible accounts of 11,725 and 11,025 at june 30, 2009 and december 31, 2008, respectively
                                      49,169,000                            
        property and equipment, less accumulated depreciation and amortization of 152,179 and 138,431 at june 30, 2009 and december 31, 2008, respectively
                                      276,663,000                            
        trade accounts receivable, less allowance for uncollectible accounts of 11,540 and 11,025 at march 31, 2009 and december 31, 2008, respectively
                                       47,929,000                           
        property and equipment, less accumulated depreciation and amortization of 144,722 and 138,431 at march 31, 2009 and december 31, 2008, respectively
                                       273,230,000                           
        trade accounts receivable, less allowance for uncollectible accounts of 11,025 and 10,940 at december 31, 2008 and 2007, respectively
                                        43,453,000                          
        other assets:
                                                                  
        liabilities and stockholders’ equity
                                                                  
        minority interest
                                        12,846,000 13,422,000 12,403,000 12,015,000 10,207,000 10,634,000 10,348,000 9,615,000 9,686,000 10,181,000 10,282,000 9,923,000 9,947,000 10,257,000 9,892,000 9,659,000 9,155,000 9,197,000 8,823,000 4,227,000 4,019,000 5,431,000 5,138,000 5,123,000 5,416,000 6,239,000 
        stockholders’ equity:
                                                                  
        total stockholders’ equity
                                        710,989,000 687,376,000 644,829,000 598,319,000 568,384,000 541,746,000 501,921,000 461,302,000 430,305,000 408,610,000 378,088,000 342,162,000  289,055,000 263,855,000 250,354,000 232,759,000 218,331,000 199,150,000  161,923,000      
        total liabilities and stockholders’ equity
                                        1,449,038,000 1,405,566,000 1,373,758,000 1,327,575,000 1,286,711,000 1,273,145,000 1,221,006,000 1,001,723,000 971,957,000 938,372,000 905,842,000 886,918,000  862,938,000 859,104,000 766,575,000 742,100,000 723,738,000 697,408,000  554,803,000      
        trade accounts receivable, less allowance for uncollectible accounts of 11,474 and 10,940 at september 30, 2008 and december 31, 2007, respectively
                                         44,948,000                         
        property and equipment, less accumulated depreciation and amortization of 143,486 and 124,884 at september 30, 2008 and december 31, 2007, respectively
                                         251,242,000                         
        trade accounts receivable, less allowance for uncollectible accounts of 11,048 and 10,940 at june 30, 2008 and december 31, 2007, respectively
                                          48,834,000                        
        property and equipment, less accumulated depreciation and amortization of 136,947 and 124,884 at june 30, 2008 and december 31, 2007, respectively
                                          241,634,000                        
        trade accounts receivable, less allowance for uncollectible accounts of 10,834 and 10,940 at march 31, 2008 and december 31, 2007, respectively
                                           48,445,000                       
        property and equipment, less accumulated depreciation and amortization of 130,832 and 124,884 at march 31, 2008 and december 31, 2007, respectively
                                           220,879,000                       
        trade accounts receivable, less allowance for uncollectible accounts of 10,940 and 11,195 at december 31, 2007 and 2006, respectively
                                            42,650,000                      
        trade accounts receivable, less allowance for uncollectible accounts of 11,297 and 11,195 at september 30, 2007 and december 31, 2006, respectively
                                             46,503,000                     
        property and equipment, less accumulated depreciation and amortization of 126,894 and 111,165 at september 30, 2007 and december 31, 2006, respectively
                                             206,347,000                     
        accrued interest
                                             608,000   388,000 314,000 246,000 207,000 306,000 327,000 3,122,000 5,769,000 1,578,000 5,762,000 1,665,000 5,630,000 1,538,000 5,757,000 1,533,000 5,781,000 1,565,000 1,984,000 
        trade accounts receivable, less allowance for uncollectible accounts of 11,131 and 11,195 at june 30, 2007 and december 31, 2006, respectively
                                              48,071,000                    
        property and equipment, less accumulated depreciation and amortization of 121,212 and 111,165 at june 30, 2007 and december 31, 2006, respectively
                                              192,081,000                    
        trade accounts receivable, less allowance for uncollectible accounts of 11,227 and 11,195 at march 31, 2007 and december 31, 2006, respectively
                                               49,228,000                   
        property and equipment, less accumulated depreciation and amortization of 115,954 and 111,165 at march 31, 2007 and december 31, 2006, respectively
                                               180,692,000                   
        trade accounts receivable, less allowance for uncollectible accounts of 11,195 and 9,409 at december 31, 2006 and 2005, respectively
                                                44,491,000                  
        trade accounts receivable, less allowance for uncollectible accounts of 11,100 and 9,409 at september 30, 2006 and december 31, 2005, respectively
                                                 41,091,000                 
        property and equipment, less accumulated depreciation and amortization of 106,551 and 93,305 at september 30, 2006 and december 31, 2005, respectively
                                                 159,287,000                 
        trade accounts receivable, less allowance for uncollectible accounts of 10,818 and 9,409 at june 30, 2006 and december 31, 2005, respectively
                                                  39,734,000                
        property and equipment, less accumulated depreciation and amortization of 102,205 and 93,305 at june 30, 2006 and december 31, 2005, respectively
                                                  154,188,000                
        trade accounts receivable, less allowance for uncollectible accounts of 10,173 and 9,409 at march 31, 2006 and december 31, 2005, respectively
                                                   36,773,000               
        property and equipment, less accumulated depreciation and amortization of 97,680 and 93,305 at march 31, 2006 and december 31, 2005, respectively
                                                   150,600,000               
        restricted cash
                                                       1,250,000 1,250,000  1,365,000        
        notes receivable from stockholders
                                                     -1,000 -5,000 -9,000 -10,000 -10,000 -10,000 -16,000 -16,000 -82,000 -95,000 -129,000 -138,000 -596,000 
        trade accounts receivable, less allowance for uncollectible accounts of 8,817 and 7,668 at september 30, 2005 and december 31, 2004, respectively
                                                     33,764,000             
        property and equipment, less accumulated depreciation and amortization of 89,956 and 79,139 at september 30, 2005 and december 31, 2004, respectively
                                                     146,970,000             
        trade accounts receivable, less allowance for uncollectible accounts of 8,416 and 7,668 at june 30, 2005 and december 31, 2004, respectively
                                                      33,268,000            
        property and equipment, less accumulated depreciation and amortization of 86,029 and 79,139 at june 30, 2005 and december 31, 2004, respectively
                                                      127,777,000            
        trade accounts receivable, less allowance for uncollectible accounts of 8,095 and 7,668 at march 31, 2005 and december 31, 2004, respectively
                                                       31,735,000           
        accumulated deficit
                                                       -1,513,000 -18,759,000 -32,076,000 -49,420,000 -67,587,000 -82,331,000 -91,732,000 -105,221,000 -120,571,000 -125,754,000 -130,464,000 
        trade accounts receivable, less allowance for uncollectible accounts of 7,668 and 6,681 at december 31, 2004 and 2003, respectively
                                                        28,936,000          
        trade accounts receivable, less allowance for uncollectible accounts of 7,475 and 6,681 at september 30, 2004 and december 31, 2003, respectively
                                                         25,765,000         
        inventory, prepaid expenses and other
                                                         11,138,000 10,778,000 9,378,000  9,275,000 8,593,000 8,787,000  7,297,000 
        trade accounts receivable, less allowance for uncollectible accounts of 7,187 and 6,681 at june 30, 2004 and december 31, 2003, respectively
                                                          26,753,000        
        accumulated other comprehensive income — unrealized gain on hedging instruments
                                                          161,000        
        covenants-not-to-compete
                                                           4,904,000 4,626,000      
        mandatorily redeemable partnership interests
                                                           2,176,000 2,176,000      
        accumulated other comprehensive loss — unrealized loss on hedging instruments
                                                           -82,000 -82,000      
        trade accounts receivable, less allowance for uncollectible accounts of 6,681 and 6,408 at december 31, 2003 and 2002, respectively
                                                            22,335,000      
        covenants not to compete
                                                             5,031,000 5,041,000 4,666,000 4,735,000  
        accumulated comprehensive loss - unrealized loss on hedging instruments
                                                             -82,000 -103,000    
        accrued recapitalization costs
                                                                  
        covenants not to compete and other intangibles
                                                                 4,590,000 
        other assets
                                                                 4,741,000 
        accumulated comprehensive loss — unrealized loss on investment
                                                                 -959,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 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 2003-12-31 2003-09-30 2003-06-30 2003-03-31 
                                                                
          cash flows from operating activities:
                                                                
          net income
        42,476,000 60,779,000 66,426,000 47,722,000 64,154,000 56,468,000 55,923,000 39,553,000 29,909,000 28,951,000 46,908,000 34,915,000 25,728,000 41,911,000 43,460,000 31,823,000 -57,025,000 35,642,000 35,778,000 36,321,000 -2,060,000 31,359,000 40,065,000 30,496,000  28,587,000 30,517,000 32,932,000 26,251,000 37,486,000 38,968,000 32,881,000 25,691,000 35,774,000 40,317,000 31,202,000 24,623,000 32,229,000 35,847,000 28,313,000 19,340,000 26,977,000 29,553,000 29,659,000 17,051,000 22,257,000 11,262,000 17,246,000 13,317,000 17,344,000 18,167,000 14,744,000 9,401,000   5,183,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                
          depreciation and amortization
        28,870,000 27,094,000 25,689,000 21,289,000 21,054,000 20,471,000 20,366,000 19,797,000 19,768,000 19,862,000 20,030,000 19,767,000 19,626,000 20,044,000 19,500,000 18,239,000 19,345,000 19,519,000 20,801,000 16,562,000 15,602,000 14,930,000 13,076,000 13,380,000  11,681,000 10,999,000 10,707,000 10,585,000 10,146,000 9,688,000 9,152,000 8,149,000 8,437,000 8,062,000 7,263,000 7,285,000 7,024,000 6,809,000 5,931,000 5,895,000 5,496,000 5,429,000 5,422,000  5,162,000 4,443,000 4,342,000 4,408,000 3,972,000       
          amortization of debt issue costs
        405,000 382,000 432,000 433,000 435,000 436,000 436,000 434,000 434,000 353,000 300,000 304,000 308,000 311,000 312,000 314,000 317,000 319,000 320,000 322,000 276,000 395,000 386,000 388,000  222,000 107,000 132,000 123,000 122,000 121,000 120,000 119,000 118,000                       
          provision for uncollectible accounts
        3,357,000 2,058,000 2,040,000 851,000 1,678,000 3,344,000 2,196,000 1,183,000 1,860,000 1,776,000 1,722,000 890,000 1,980,000 2,016,000 2,271,000 1,093,000 1,959,000 1,886,000 1,405,000 1,146,000                        1,562,000             
          debt retirement costs
                                                   70,000       
          net loss on sale or disposal of assets
        478,000 236,000 -271,000 563,000    335,000 -979,000 470,000     -430,000 1,726,000                                         
          share-based compensation
        5,093,000 4,565,000 4,198,000 4,906,000 4,178,000 3,817,000 4,137,000 4,132,000 4,966,000 3,663,000 4,027,000 4,544,000 3,764,000 2,921,000 3,649,000 3,770,000 3,621,000 2,699,000 3,584,000 4,183,000 4,163,000 4,079,000 1,463,000 1,068,000  1,635,000 3,767,000 2,088,000 2,011,000 2,020,000 1,944,000 1,976,000 1,867,000 1,987,000 2,013,000 1,309,000 1,157,000 1,129,000 1,083,000 1,217,000 745,000 881,000 669,000 776,000             
          excess tax benefits from share-based compensation
        -3,123,000 -6,167,000 -976,000 -445,000                                                     
          other
        -439,000 1,003,000 2,176,000 4,489,000 2,590,000 227,000 331,000 -989,000 150,000 434,000 852,000 -905,000 -126,000 133,000 30,000 -414,000 254,000 -310,000 -137,000 -391,000 -148,000 -287,000 156,000 -358,000  -325,000 -111,000 -114,000 -126,000 -81,000 -70,000 -148,000 -111,000 362,000 -236,000 86,000 58,000 -31,000 -142,000 -199,000 -189,000 -326,000 -235,000  3,917,000 -129,000 -248,000 -214,000 -258,000    86,000   
          changes in operating assets and liabilities:
                                                                
          trade accounts receivable
        -5,522,000 -968,000 -3,726,000 -3,339,000 -8,152,000 3,649,000 -9,647,000 -14,570,000 5,778,000 -733,000 -3,120,000 -5,825,000 -1,062,000 7,723,000 -1,583,000 -16,126,000 6,719,000 1,821,000 -2,294,000 -4,606,000 -7,089,000 795,000 -880,000 -6,933,000                                 
          inventory, prepaid expenses and other assets
        -11,100,000 3,923,000 -8,038,000 -7,569,000 -8,785,000 8,011,000 -11,804,000 2,862,000                   -1,371,000 644,000 -7,771,000 -4,891,000 -139,000 -2,790,000 -1,009,000 -1,453,000 -2,168,000 -2,351,000 -5,852,000 1,095,000 443,000 -398,000                 
          accounts payable and other accrued liabilities
        4,982,000 5,253,000 10,690,000 -4,801,000 13,263,000 1,745,000 2,758,000 -6,954,000 8,677,000 1,749,000 4,944,000 -3,773,000 -4,384,000 612,000 -7,798,000 12,127,000 479,000 4,966,000 -2,619,000 814,000 2,913,000 -334,000 126,000 -8,120,000  -6,653,000 13,979,000 -288,000 -2,716,000 -3,615,000 6,719,000 -2,362,000 -2,077,000 -2,745,000 -460,000 2,767,000 1,202,000 -1,022,000 2,106,000 -2,279,000                 
          accrued payroll and related liabilities
        27,776,000 -10,600,000 -10,138,000 12,955,000 -7,569,000 10,592,000 -5,752,000 14,052,000 -7,979,000 10,945,000 -2,431,000 6,247,000 -4,906,000 9,522,000 -7,263,000 9,149,000 -2,826,000 8,905,000 -9,623,000 10,725,000 -3,940,000 -7,498,000 5,287,000 10,734,000  -8,939,000 2,702,000 9,954,000 -3,455,000 -6,473,000 5,338,000 -3,204,000 8,416,000 -5,018,000 7,094,000 -5,629,000 5,112,000 -5,063,000 3,375,000 -2,270,000                 
          income taxes
        -12,643,000 12,611,000 6,702,000 16,855,000 -23,715,000 11,529,000 -5,056,000 21,581,000 -9,177,000 4,075,000 -7,103,000 15,165,000 -13,733,000 8,897,000 -640,000 13,235,000 5,739,000 880,000 -15,214,000 12,698,000 -7,891,000 767,000 -1,982,000 9,922,000  -2,297,000 -19,775,000 12,527,000 -4,732,000 4,507,000 -13,340,000 14,413,000 -4,728,000 -1,522,000 -5,967,000 16,946,000 -7,086,000 5,194,000 -1,848,000 17,637,000                 
          net cash from operating activities
        98,949,000 100,169,000 96,804,000 93,909,000 70,529,000 117,260,000 49,131,000 80,625,000 45,163,000 96,934,000 59,786,000 68,327,000 37,367,000 90,934,000 52,820,000 75,251,000 48,814,000 79,771,000 35,004,000 73,664,000 27,460,000 47,971,000 54,390,000 61,230,000 24,603,000 32,134,000 40,780,000 70,556,000 27,150,000 46,122,000 59,001,000 51,198,000 50,556,000 42,772,000 51,718,000 48,275,000 35,223,000 40,960,000 50,178,000 44,015,000 36,152,000 26,597,000 26,389,000 37,752,000  36,789,000 19,057,000 35,368,000 14,624,000 29,420,000 12,779,000 29,536,000    22,379,000 
          cash flows from investing activities:
                                                                
          business acquisitions, net of cash acquired
        -98,018,000 -58,777,000 -380,493,000 -160,385,000 -32,250,000 -52,807,000 -34,379,000 -32,150,000 -76,368,000 -32,851,000 -11,976,000 -17,295,000 -13,048,000 -17,805,000 -15,079,000 -6,756,000 -26,885,000 -32,203,000 -10,356,000 -65,472,000 -15,431,000 -178,559,000 -5,992,000 -5,812,000  -24,679,000 -11,097,000 -9,247,000 -22,724,000 -23,709,000 -13,677,000 -14,467,000 -36,927,000 -9,408,000 -32,541,000 -47,826,000 -765,000 -11,436,000 -171,119,000 -32,203,000 -12,872,000 -7,440,000 -14,309,000 -15,863,000  -61,528,000 -7,852,000 -14,322,000 -24,077,000 -4,221,000    -7,251,000   
          property and equipment additions
        -32,400,000 -31,732,000 -33,008,000 -25,806,000 -33,764,000 -26,949,000 -17,995,000 -16,526,000     -20,588,000 -19,587,000 -15,126,000 -17,969,000 -21,550,000 -18,092,000 -21,093,000 -16,072,000 -20,210,000 -14,841,000 -16,400,000 -12,034,000  -19,750,000 -11,876,000 -16,049,000 -12,279,000 -13,314,000 -12,322,000 -12,886,000 -15,281,000 -14,221,000 -16,080,000 -9,463,000 -10,681,000 -10,797,000 -15,361,000 -11,875,000 -11,516,000 -8,733,000 -7,207,000 -7,860,000  -8,044,000 -7,472,000 -7,209,000 -7,919,000 -7,008,000    -4,872,000   
          proceeds from sale of assets
                   859,000 6,191,000 310,000 418,000 177,000 3,000 34,000 42,000 36,000 18,000 307,000 118,000 22,000  6,000 3,000 6,000 28,000 15,000 34,000 74,000 1,000 21,000 6,000 1,747,000 -100,000 210,000 1,564,000 65,000 236,000 11,000 286,000  30,000 246,000 92,000 193,000 5,000    8,000   
          net cash from investing activities
        -132,105,000 -91,802,000 -410,809,000 -193,525,000 -28,881,000 -80,090,000 -44,019,000 -50,662,000 -107,996,000 -57,014,000 -21,697,000 -32,535,000 -32,368,000 -38,476,000 -30,714,000 -25,173,000 -52,897,000 -53,501,000 -31,545,000 -81,315,000 -35,496,000 -193,323,000 -23,336,000 -19,155,000 -52,677,000 -48,607,000 -23,071,000 -26,651,000 -36,250,000 -37,167,000 -28,738,000 -28,615,000 -54,859,000 -25,610,000 -60,964,000 -71,278,000 -12,138,000 -21,955,000 -186,879,000 -50,333,000 -24,249,000 -16,921,000 -21,422,000 -25,140,000  -71,749,000 -12,116,000 -21,583,000 -32,854,000 -10,974,000 -88,736,000 -17,305,000    -8,356,000 
          cash flows from financing activities:
                                                                
          repayment of long-term obligations
        -11,530,000 -7,144,000 -1,246,572,000 -9,678,000 -14,843,000 -12,250,000 -2,759,000 -5,165,000                     -2,038,000 -1,999,000 -1,953,000 -1,946,000 -1,938,000 -1,927,000 -1,959,000 -1,966,000  -2,058,000 -1,922,000 -2,302,000  -1,325,000 -21,365,000 -41,416,000    -3,414,000         
          proceeds from issuance of long-term obligations
                                                               
          repayment of revolving credit facility
        -30,000,000                -50,000,000                                    
          proceeds from revolving credit facility
        90,000,000 30,000,000 345,000,000 90,000,000 36,000,000           50,000,000                                    
          payment of financing costs
        12,000              -21,000 -101,000                -29,000         -41,000          
          distributions to noncontrolling interest partners
           -1,238,000 -1,152,000 -1,363,000 -1,122,000 -1,325,000 -1,432,000 -1,318,000 -1,169,000 -1,090,000 -1,542,000 -1,090,000 -1,037,000 -1,197,000 -1,679,000 -1,171,000 -912,000 -719,000 -1,318,000 -818,000 -489,000 -652,000  -1,293,000 -1,032,000 -989,000 -1,171,000 -1,525,000 -605,000 -888,000                         
          purchase of noncontrolling interests
        -313,000 -509,000 -3,730,000 -1,007,000 -10,000 -1,483,000    -326,000 -854,000 -697,000 2,000 -5,032,000                                         
          proceeds from formation of noncontrolling interests
                                                                
          proceeds from issuance of common stock under stock incentive plans
        16,000 2,827,000 836,000 286,000 1,112,000 892,000 275,000 404,000                                                 
          stock repurchases
        -7,332,000 -9,044,000 -843,000 -4,490,000 -64,443,000 -51,829,000 -44,845,000    -9,793,000    -59,000 -4,262,000 -1,127,000 -2,191,000 -579,000 -10,000 -326,000 -2,337,000  -39,000 -2,253,000 -12,000 -369,000 -180,000                         
          net cash from financing activities
        42,178,000 -44,966,000 349,195,000 74,909,000 -17,468,000 -35,595,000 9,493,000 -51,703,000 18,115,000 -35,707,000 -52,922,000 -23,251,000 -32,676,000 -11,528,000 -14,726,000 -13,083,000 -7,060,000 -11,090,000 -11,996,000 16,632,000 -7,699,000 69,328,000 -5,695,000 -8,930,000 -7,183,000 -45,095,000 -2,090,000 -10,942,000 -747,000 7,116,000 -435,000 -2,457,000 -1,983,000 2,246,000 -1,059,000 -1,619,000 626,000 6,043,000 160,563,000 -541,000 380,000 2,344,000 -16,346,000 -38,920,000  -36,054,000 67,048,000 -3,223,000 -1,640,000 -448,000 79,432,000 -107,000    4,190,000 
          effect of currency exchange rate changes on cash and cash equivalents
        -527,000 -171,000 14,000 299,000 -284,000 -909,000 443,000 -365,000 -406,000 -241,000 80,000 -282,000 -468,000 -26,000 -396,000 -144,000 -83,000 414,000 -112,000 84,000 143,000 -516,000 25,000 128,000  44,000 -59,000 53,000 27,000 35,000 -17,000 -1,000 -58,000 -29,000                       
          increase in cash and cash equivalents
            23,896,000   -22,105,000 -45,124,000 3,972,000 -14,753,000 12,259,000 -28,145,000 40,904,000 6,984,000 36,851,000 -11,226,000 15,594,000 -8,649,000 9,065,000   25,384,000 33,273,000  -61,524,000 15,560,000 33,016,000 -9,820,000 16,106,000 29,811,000 20,125,000 -6,344,000 19,379,000   23,711,000 25,048,000   12,283,000 12,020,000 -11,379,000 -26,308,000 13,987,000 -71,014,000 73,989,000 10,562,000 -19,870,000 17,998,000 3,475,000 12,124,000 -1,208,000 -4,067,000 -2,163,000 18,213,000 
          cash and cash equivalents at beginning of period
         98,888,000  81,383,000  125,029,000  68,435,000  63,651,000  97,126,000  145,181,000  88,959,000  110,866,000  45,104,000  58,488,000  30,964,000  17,237,000  6,462,000 
          cash and cash equivalents at end of period
         -36,770,000 35,204,000 74,480,000  666,000 15,048,000 59,278,000  3,972,000 -14,753,000 137,288,000  40,904,000 6,984,000 105,286,000  15,594,000 -8,649,000 72,716,000  -76,540,000 25,384,000 130,399,000  -61,524,000 15,560,000 178,197,000  16,106,000 29,811,000 109,084,000  19,379,000 -10,320,000 86,244,000  25,048,000 23,862,000 38,245,000  12,020,000 -11,379,000 32,180,000  -71,014,000 73,989,000 41,526,000  17,998,000 3,475,000 29,361,000  -4,067,000 -2,163,000 24,675,000 
          proceeds from sale or disposal of assets
         1,417,000 270,000 12,000 293,000 305,000 6,072,000 92,000 -560,000 8,000                                               
          distributions to noncontrolling interests
                                                                
          decrease in cash and cash equivalents
           -24,408,000                                -24,622,000    -6,859,000                 
          impairment of goodwill and other long-lived assets
                                                               
          gain on sale of business
                                                                
          deferred income taxes
                    15,196,000 2,868,000 -47,517,000 4,099,000 5,808,000 4,212,000 4,903,000 3,816,000 2,798,000 8,035,000  4,531,000 -771,000 7,232,000 8,543,000 5,113,000 5,640,000 5,304,000 12,687,000 4,463,000 3,102,000 2,329,000 6,313,000 1,602,000 1,866,000 1,159,000 466,000 2,521,000 1,784,000 2,917,000             
          investment in vetstreet inc.
                                                                
          proceeds from sale of business
                                                                
          proceeds from the issuance of long-term obligations
                                                             
          cash and cash equivalents at beginning of year
                                                                
          cash and cash equivalents at end of year
                                                                
          supplemental disclosures of cash flow information:
                                                                
          interest paid
                            2,874,000 4,087,000 4,349,000 3,778,000  3,132,000 2,879,000 3,196,000 5,735,000   6,430,000                         
          income taxes paid
                            15,059,000 14,905,000 24,720,000 976,000  21,231,000 40,040,000 747,000 12,688,000 13,560,000 31,990,000 894,000                         
          supplemental schedule of non-cash investing and financing activities:
                                                                
          capital lease additions
                                                                
          distribution to noncontrolling interests
                                                                
          excess tax benefits from stock based compensation
            -3,081,000 -3,279,000 -3,938,000 -791,000                                                 
          detail of vetstreet sale:
                                                                
          accounts receivable
                                 -189,000 -833,000 -6,511,000  -323,000 -2,534,000 -5,455,000  2,268,000 -1,541,000 -6,463,000  421,000 796,000 -6,040,000                 
          prepaid and other
                                                                
          fixed assets
                                                                
          intangibles
                                                                
          liabilities
                                                                
          net gain on sale or disposal of assets
             250,000                                                   
          real estate acquired in connection with business acquisitions
               -1,502,000 -5,724,000 -1,800,000   -4,120,000 -698,000 -510,000 -3,735,000    -700,000 -1,200,000  -4,534,000 -1,300,000 -1,066,000 -2,865,000 -963,000 -2,530,000 -1,965,000 -9,486,000 -3,612,000 -33,000 -7,929,000 -1,091,000 -2,000 -1,779,000  -2,708,000 -221,000 74,000 -1,180,000      
          business combination adjustment gain
                        -5,719,000                                     
          detail of acquisitions:
                                                                
          fair value of assets acquired
                            13,093,000 229,799,000 6,539,000 5,350,000  82,049,000 13,334,000 8,868,000 22,225,000 36,783,000 12,187,000 23,333,000                         
          fair value of pre-existing investments
                                                                
          noncontrolling interest
                                                                
          cash paid for acquisitions, net of acquired cash
                                                                
          assumed debt
                                                                
          issuance of common stock for acquisitions
                                                                
          contingent consideration
                            -79,000     -252,000 -7,000                            
          holdbacks
                            -700,000 -300,000 -300,000 -200,000                                 
          liabilities assumed
                            -2,427,000 25,160,000    28,788,000 2,512,000 333,000 -4,310,000 12,957,000 354,000 4,538,000                         
          other non-cash items:
                                                                
          excess tax benefit from exercise of stock options
                 -1,716,000 -1,700,000 -392,000  -1,883,000 -709,000 -62,000  -110,000 -61,000 -187,000  -57,000 -721,000 -185,000  -39,000 -67,000 -264,000  -437,000    -1,491,000 -222,000 -133,000  -3,896,000 -1,758,000 -922,000  -1,835,000 -2,662,000 -1,277,000             
          inventory, prepaid expense and other assets
                 -1,623,000 -5,221,000 -1,389,000  -1,164,000 2,021,000 -2,491,000  -932,000 -2,856,000 -2,939,000  -4,584,000 -6,639,000 1,417,000                                 
          capital expenditures
        -22,114,000 -11,360,000 -16,619,000     
          free cash flows
        98,949,000 100,169,000 96,804,000 93,909,000 70,529,000 117,260,000 49,131,000 80,625,000 45,163,000 74,820,000 48,426,000 51,708,000 37,367,000 90,934,000 52,820,000 75,251,000 48,814,000 79,771,000 35,004,000 73,664,000 27,460,000 47,971,000 54,390,000 61,230,000 24,603,000 32,134,000 40,780,000 70,556,000 27,150,000 46,122,000 59,001,000 51,198,000 50,556,000 42,772,000 51,718,000 48,275,000 35,223,000 40,960,000 50,178,000 44,015,000 36,152,000 26,597,000 26,389,000 37,752,000  36,789,000 19,057,000 35,368,000 14,624,000 29,420,000 12,779,000 29,536,000    22,379,000 
          repayment of debt
                 -537,758,000 -13,412,000 -12,806,000 -12,622,000 -11,065,000 -8,709,000 -8,733,000 -8,735,000 -8,722,000 -8,692,000 -34,626,000 -8,045,000 -76,781,000 -6,863,000 -7,301,000  -535,701,000 -2,037,000 -10,822,000                             
          proceeds from issuance of long-term debt
                         50,000,000                                     
          purchase of existing noncontrolling interests
                                                               
          proceeds from issuance of common stock under stock option plans
                 459,000 95,000 372,000  10,930,000 2,305,000 1,876,000  437,000 264,000 2,621,000  140,000 1,281,000 1,175,000  1,011,000 912,000 2,858,000 2,187,000 10,215,000 2,338,000 557,000 32,000 2,682,000 678,000 214,000 1,321,000 4,308,000 1,521,000 839,000 817,000 1,834,000 2,357,000 1,219,000  521,000 1,037,000 191,000  401,000       
          repurchase of common stock
                 -90,819,000    -11,428,000                                           
          net loss on disposal of assets
                   -1,221,000                                             
          net loss on sale of assets
                        288,000 387,000 112,000 523,000                                     
          excess tax benefits from exercise of stock options
                                                                
          proceeds from the issuance of long-term debt
                                                        223,875,000       
          fair value of pre-existing investment in avc
                                                                
          cash paid for acquisitions
                            -14,741,000 -177,810,000 -6,295,000 -5,150,000  -23,477,000 -10,822,000 -8,528,000 -26,535,000 -23,114,000 -11,833,000 -13,095,000                         
          goodwill impairment
                                                                
          cash paid to bondholders/debt holders
                                                               
          non-cash note conversion to equity interest in subsidiary
                                    -5,700,000                         
          benefit from uncollectible accounts
                             2,018,000 1,195,000 1,297,000  2,245,000 1,651,000 1,492,000 1,973,000 2,139,000 1,377,000 1,559,000 1,516,000 1,663,000 1,188,000 820,000 1,492,000 1,451,000 685,000 1,425,000 1,749,000 1,198,000    971,000 992,000 1,033,000 1,221,000 1,106,000       
          net (gain) loss on sale of assets
                                                                
          supplemental schedule of noncash investing and financing activities:
                                                                
          net income on sale of assets
                              60,000 89,000                                 
          other financial data:
                                                                
          consolidated gross margin
                                                                
          animal hospital gross margin
                                                                
          laboratory gross margin
                                                                
          medical technology gross margin
                                                                
          consolidated operating margin
                                                                
          animal hospital operating margin
                                                                
          laboratory operating margin
                                                                
          medical technology operating margin
                                                                
          cash flow data:
                                                                
          balance sheet data
                                                                
          cash and cash equivalents
                                                                
          goodwill
                                                                
          total assets
                                                                
          long-term debt
                                                                
          total stockholders’ equity
                                                                
          animal hospitals:
                                                                
          beginning of period
                                                                
          acquisitions, excluding pet drx in 2010
                                                                
          pet drx
                                                                
          acquisitions relocated into our existing animal hospitals
                                                                
          new facilities
                                                                
          sold, closed or merged
                                                                
          end of period
                                                                
          laboratories:
                                                                
          acquisitions
                                                                
          acquisitions relocated into our existing laboratories
                                                                
          closed or merged
                                                                
          cash paid to bondholders
                                                                
          noncash note conversion to equity interest in subsidiary
                                                                
          net income on sale and disposal of assets
                                    3,702,000                            
          gain on sale and disposal of assets
                                   25,000                             
          borrowings on revolving credit facility
                                                                
          repayment on revolving credit facility
                                                                
          payment of debt issue costs
                                                                
          write-off of internal-use software
                                                               
          gain on sale of assets
                                      172,000 -248,000          3,000 -85,000 -118,000   -78,000 -10,000 5,000 -12,000       
          interest paid.
                                                                
          supplemental schedule of non-cash investing and financing activites:
                                                                
          write-down and loss on sale of assets
                                        201,000                        
          minority interest in income of subsidiaries
                                        886,000 1,180,000 988,000 957,000 694,000 1,187,000 1,028,000 846,000 580,000 846,000 900,000 774,000  778,000 846,000 685,000 641,000 746,000       
          distributions to minority interest partners
                                        -1,190,000 -1,341,000 -696,000 -760,000 -1,126,000 -898,000 -719,000 -645,000 -1,075,000 -1,100,000 -541,000 -798,000  -823,000 -489,000 -656,000 -683,000 -692,000       
          write-down and (gain) loss on sale of assets
                                          127,000 -184,000                     
          amortization of debt costs
                                           116,000 115,000   61,000 62,000 73,000 94,000 132,000  131,000 142,000 209,000         
          repayment of long-term obligations, including redemption fees
                                                        -225,787,000 -849,000       
          write-down and gain on sale of assets
                                              420,000 122,000                 
          increase in trade accounts receivable
                                                                
          increase in inventory, prepaid expenses and other assets
                                                -1,778,000 -2,261,000 -4,333,000 -222,000  -902,000   -2,004,000        
          increase in accounts payable and other accrued liabilities
                                                5,414,000 3,913,000 59,000 -6,479,000  2,886,000 1,366,000 2,059,000 3,320,000 1,161,000       
          increase in accrued payroll and related liabilities
                                                   -3,430,000   -3,714,000 1,892,000 -368,000        
          increase in accrued interest
                                                74,000 68,000 39,000 -99,000  -2,795,000 -2,647,000 4,191,000  4,097,000       
          decrease in prepaid income taxes
                                                3,680,000 -6,274,000 -4,459,000 11,300,000    9,642,000  -1,066,000       
          additions to capital leases
                                                                
          liabilities and debt assumed
                                                                
          increase in accounts receivable
                                                 -2,318,000 -4,050,000 -2,132,000  -744,000 -2,494,000 -3,771,000         
          decrease in accrued payroll and related liabilities
                                                 -1,402,000               
          loss on sale of assets and other
                                                                
          tax benefit from stock options exercised
                                                     678,000 1,476,000 179,000         
          decrease (increase) in prepaid income taxes
                                                     11,631,000           
          increase in deferred income tax assets
                                                     -875,000 30,000 -530,000  -249,000       
          increase in deferred income tax liabilities
                                                     2,191,000 1,679,000 1,534,000 2,676,000 1,667,000       
          repayment of long-term obligations, including tender fees
                                                     -36,534,000           
          decrease (increase) in inventory, prepaid expenses and other assets
                                                       -2,429,000         
          amortization of deferred financing costs and debt discount
                                                        195,000 185,000       
          interest paid in kind on 15.5% senior notes
                                                                
          write-down of assets
                                                                
          decrease in accrued interest
                                                                
          decrease (increase) in deferred income tax assets
                                                                
          borrowings (repayments) under revolving credit facility
                                                                
          payment of deferred financing and recapitalization costs
                                                                
          proceeds from issuance of common stock
                                                                
          obligations to sellers, notes payable and assumed liabilities
                                                                
          cash paid and acquisition costs
                                                                
          cash paid in settlement of certain other obligations to sellers
                                                                
          total cash paid for acquisitions
                                                                
          increase in income taxes payable