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e.l.f. Beauty, Inc
(NYSE:ELF) 

ELF stock logo

e.l.f. Beauty, Inc., through its subsidiaries, provides cosmetic and skin care products under the e.l.f. and W3LL PEOPLE brand names worldwide. The company offers eye, lip, face, and skin care products, as well as kits and tools. It sells its products through national and international retailers and...

Founded: 2004
Full Time Employees: 209
Sector: Consumer Defensive
Industry: Household & Personal Products

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At a glance:
  • Growth-Driven Beauty Brand With Value Positioning: e.l.f. Beauty is known for offering accessible, trend-forward cosmetics and skincare at value price points, supporting broad consumer appeal.
  • Strong Digital and Social-Led Marketing Model: The company leverages influencer, social, and performance marketing to drive brand awareness and customer acquisition, often with efficient spend versus traditional beauty marketing.
  • Category Expansion Beyond Core Cosmetics: e.l.f. continues to expand in skincare and adjacent categories, aiming to diversify revenue and increase repeat purchase behavior.
  • Omnichannel Distribution With Retail Partnerships: Sales are supported by a mix of direct-to-consumer and major retail partners, helping scale reach while maintaining brand control through owned channels.
  • Execution Focus: Innovation, Speed-to-Market, and Supply Chain: Competitive positioning relies on fast product innovation cycles and reliable sourcing/operations to keep up with trends and maintain in-stock levels.
Bull Thesis:
  • Consistent Market Share Gains and User Growth: e.l.f. Beauty continues to significantly outpace the overall beauty market, consistently gaining market share across its brands (e.l.f. Cosmetics, Naturium, Keys Soulcare). This is driven by strong product innovation, affordable pricing, and effective marketing strategies that attract and retain a growing customer base, particularly among Gen Z and Millennials.
  • Successful Diversification and Brand Expansion: The company has successfully expanded beyond its core e.l.f. Cosmetics brand with the strategic acquisition of Naturium (skincare) and the growth of Keys Soulcare. Naturium, in particular, has shown impressive growth, demonstrating ELF's ability to identify, acquire, and scale high-potential brands in adjacent beauty categories, reducing reliance on a single brand.
  • Mastery of Digital Marketing and Social Media Engagement: e.l.f. Beauty excels in digital marketing, particularly on platforms like TikTok, where it consistently creates viral campaigns and engages directly with consumers. This agile and trend-responsive marketing approach drives brand awareness, product demand, and fosters a strong community, allowing the company to quickly capitalize on emerging beauty trends.
  • Strong Financial Performance and Margin Expansion: The company has consistently delivered robust financial results, including double-digit revenue growth, expanding gross margins, and increasing profitability (Adjusted EBITDA). This indicates effective cost management, pricing power, and operational efficiency, suggesting a healthy underlying business model capable of sustained earnings growth.
Bear Thesis:
  • Intense Competition and Pricing Pressure: The beauty industry is highly competitive, with numerous established players (L'Oréal, Estée Lauder) and a constant influx of new indie brands. While ELF's affordable pricing is a strength, it also makes them vulnerable to competitors who could replicate or undercut their pricing, potentially leading to margin compression or slowing growth.
  • Reliance on Fickle Consumer Trends and Social Media Algorithms: While ELF's digital marketing prowess is a strength, it also creates a dependency on rapidly changing consumer trends and social media algorithms. A shift in platform popularity, a misstep in trend identification, or a decline in viral engagement could impact brand relevance and sales momentum, as consumer tastes in beauty can be highly transient.
  • Premium Valuation Concerns: Given its impressive growth trajectory, ELF's stock often trades at a premium valuation (e.g., high P/E or EV/Sales multiples) compared to the broader market or some beauty peers. This elevated valuation could make the stock susceptible to significant pullbacks if growth rates decelerate even slightly or if the company misses analyst expectations.
  • Supply Chain and Inflationary Headwinds: Like many consumer goods companies, e.l.f. Beauty is exposed to potential disruptions in its global supply chain, as well as rising costs for raw materials, manufacturing, and logistics due to inflation. These factors could put pressure on gross margins and profitability if the company is unable to fully offset them through pricing or efficiency gains.
Main Competitors:
  • NYX Professional Makeup (Makeup, cosmetics), Owned by L'Oréal, NYX competes directly with e.l.f. in the affordable, professional-quality makeup segment. It targets a similar demographic with strong social media engagement, rapid trend adoption, and a wide range of cruelty-free products available in mass retailers.
  • ColourPop (Makeup, skincare (Sol Body, Fourth Ray Beauty)), A privately held, online-first brand known for rapid product launches, collaborations, and highly affordable, trendy, cruelty-free makeup. ColourPop competes with e.l.f. through its agile innovation, strong social media and influencer marketing, and direct-to-consumer model.
  • wet n wild (Makeup, cosmetics), Owned by Markwins Beauty Brands, wet n wild competes at the ultra-affordable end of the mass market. It offers a wide range of cruelty-free and vegan-friendly makeup, known for its accessible price point and broad distribution in drugstores and mass retailers, directly challenging e.l.f.'s value proposition.
  • Maybelline New York (Makeup, cosmetics), As a long-standing mass-market beauty giant owned by L'Oréal, Maybelline competes with e.l.f. for drugstore shelf space and consumer attention. It offers a wide range of innovative and affordable makeup products, leveraging extensive marketing budgets and broad appeal to a diverse customer base.
Moat:
e.l.f. Beauty's competitive moat is primarily built on its strong brand identity centered around **affordability, clean beauty (cruelty-free, vegan), and rapid trend adoption**, which deeply resonates with Gen Z and millennial consumers. Its **agile product development, social media-first marketing, and strong community engagement** allow it to quickly capitalize on trends and maintain relevance. Competition is fierce, coming from other mass-market brands like NYX and Maybelline (both owned by L'Oréal) that offer similar price points and broad distribution, as well as nimble, online-native brands like ColourPop that excel in rapid innovation and influencer marketing. e.l.f. differentiates itself through its consistent value proposition, commitment to clean ingredients, and ability to scale while staying true to its core brand values.
Income Statements:
Quarterly
Annual
    Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-01-01 
                                           
      net sales
    489,505,000 343,936,000 353,739,000 332,645,000 355,320,000 301,075,000 324,477,000 321,143,000 270,943,000 215,507,000 216,339,000 187,357,000 146,537,000 122,349,000 122,601,000 105,135,000 98,118,000 91,855,000 97,047,000 92,671,000 88,562,000 72,350,000 64,527,000 74,712,000 80,760,000 67,615,000 59,764,000  78,571,000 63,889,000 59,055,000 65,920,000 81,593,000 71,865,000 55,856,000 60,574,000 76,435,000 56,312,000  
      yoy
    37.76% 14.24% 9.02% 3.58% 31.14% 39.71% 49.99% 71.41% 84.90% 76.14% 76.46% 78.21% 49.35% 33.20% 26.33% 13.45% 10.79% 26.96% 50.40% 24.04% 9.66% 7.00% 7.97%  2.79% 5.83% 1.20%  -3.70% -11.10% 5.73% 8.83% 6.75% 27.62%      
      qoq
    42.32% -2.77% 6.34% -6.38% 18.02% -7.21% 1.04% 18.53% 25.72% -0.38% 15.47% 27.86% 19.77% -0.21% 16.61% 7.15% 6.82% -5.35% 4.72% 4.64% 22.41% 12.12% -13.63% -7.49% 19.44% 13.14%   22.98% 8.19% -10.41% -19.21% 13.54% 28.66% -7.79% -20.75% 35.73%   
      cost of sales
    142,010,000 105,078,000 109,198,000 95,606,000 102,015,000 87,016,000 93,194,000 93,941,000 78,986,000 63,142,000 63,767,000 58,231,000 47,812,000 42,789,000 39,616,000 37,635,000 33,777,000 33,870,000 35,141,000 34,071,000 31,443,000 25,212,000 21,186,000 26,648,000 28,240,000 24,267,000 22,573,000  31,652,000 24,920,000 22,410,000 25,712,000 33,899,000 28,952,000 19,966,000 22,346,000 16,554,250 23,834,000  
      gross profit
    347,495,000 238,858,000 244,541,000 237,039,000 253,305,000 214,059,000 231,283,000 227,202,000 191,957,000 152,365,000 152,572,000 129,126,000 98,725,000 79,560,000 82,985,000 67,500,000 64,341,000 57,985,000 61,906,000 58,600,000 57,119,000 47,138,000 43,341,000 48,064,000 52,520,000 43,348,000 37,191,000  46,919,000 38,969,000 36,645,000 40,208,000 47,694,000 42,913,000 35,890,000 38,228,000 45,320,000 32,478,000  
      yoy
    37.18% 11.59% 5.73% 4.33% 31.96% 40.49% 51.59% 75.95% 94.44% 91.51% 83.85% 91.30% 53.44% 37.21% 34.05% 15.19% 12.64% 23.01% 42.83% 21.92% 8.76% 8.74% 16.54%  11.94% 11.24% 1.49%  -1.62% -9.19% 2.10% 5.18% 5.24% 32.13%      
      qoq
    45.48% -2.32% 3.16% -6.42% 18.33% -7.45% 1.80% 18.36% 25.98% -0.14% 18.16% 30.79% 24.09% -4.13% 22.94% 4.91% 10.96% -6.33% 5.64% 2.59% 21.17% 8.76% -9.83% -8.48% 21.16% 16.56%   20.40% 6.34% -8.86% -15.70% 11.14% 19.57% -6.12% -15.65% 39.54%   
      gross margin %
    70.99% 69.45% 69.13% 71.26% 71.29% 71.10% 71.28% 70.75% 70.85% 70.70% 70.52% 68.92% 67.37% 65.03% 67.69% 64.20% 65.58% 63.13% 63.79% 63.23% 64.50% 65.15% 67.17% 64.33% 65.03% 64.11% 62.23%  59.72% 60.99% 62.05% 61.00% 58.45% 59.71% 64.25% 63.11% 59.29% 57.68%  
      selling, general and administrative expenses
    279,955,000 231,142,000 195,832,000 192,723,000 218,220,000 186,141,000 180,575,000 210,172,000 160,121,000 112,186,000 91,939,000 121,081,000 75,434,000 64,183,000 61,555,000 65,332,000 55,384,000 50,447,000 50,749,000 34,082,500 50,828,000 45,170,000 40,332,000 27,532,750 39,632,000 38,444,000 32,055,000  25,670,250 32,656,000 33,791,000 36,234,000 24,710,750 33,133,000 32,705,000     
      operating income
    67,540,000 7,716,000 48,709,000 44,316,000 35,085,000 27,918,000 50,708,000 17,030,000 31,836,000 40,179,000 60,633,000 8,045,000 23,291,000 15,377,000 21,430,000 2,186,000 8,971,000 7,442,000 11,171,000 -1,868,000 6,291,000 1,968,000 3,009,000 1,040,000 12,880,000 9,102,000 6,928,000  13,021,000 6,313,000 2,854,000 3,974,000 15,091,000 9,780,000 3,185,000 5,223,000 14,971,000 1,476,000  
      yoy
    92.50% -72.36% -3.94% 160.22% 10.21% -30.52% -16.37% 111.68% 36.69% 161.29% 182.94% 268.02% 159.63% 106.62% 91.84% -217.02% 42.60% 278.15% 271.25% -279.62% -51.16% -78.38% -56.57%  -1.08% 44.18% 142.75%  -13.72% -35.45% -10.39% -23.91% 0.80% 562.60%      
      qoq
    775.32% -84.16% 9.91% 26.31% 25.67% -44.94% 197.76% -46.51% -20.76% -33.73% 653.67% -65.46% 51.47% -28.25% 880.33% -75.63% 20.55% -33.38% -698.02% -129.69% 219.66% -34.60% 189.33% -91.93% 41.51% 31.38%   106.26% 121.20% -28.18% -73.67% 54.30% 207.06% -39.02% -65.11% 914.30%   
      operating margin %
    13.80% 2.24% 13.77% 13.32% 9.87% 9.27% 15.63% 5.30% 11.75% 18.64% 28.03% 4.29% 15.89% 12.57% 17.48% 2.08% 9.14% 8.10% 11.51% -2.02% 7.10% 2.72% 4.66% 1.39% 15.95% 13.46% 11.59%  16.57% 9.88% 4.83% 6.03% 18.50% 13.61% 5.70% 8.62% 19.59% 2.62%  
      other income
    -1,325,000 -1,878,000 5,037,000 2,594,000 -5,278,000 3,791,000 187,000 -692,000 2,565,000  399,000 -548,750 730,000       -54,000 -677,000 -859,000 -30,000 -176,000 -335,000 586,000 351,000  -371,000 360,000 509,000  -613,000 -379,000 -244,000 -799,000 763,000 288,000  
      interest expense
    -12,351,000 -9,153,000 -2,632,000 -2,860,000 -3,527,000   -4,002,000 -3,985,000   -106,000 -463,000 -786,000 -663,000 -529,000 -570,000 -597,000 -745,000 -862,000 -855,000 -905,000 -1,468,000 -1,387,000 -1,560,000 -1,643,000 -1,717,000  -1,963,000 -1,901,000 -1,989,000 -1,963,000 -1,970,000 -2,262,000 -2,387,000 -2,156,000 -4,695,000 -5,192,000  
      loss on extinguishment of debt
     -674,000           -176,000      -460,000                     
      income before provision for income taxes
    53,864,000 -3,989,000 51,114,000 44,037,000 26,280,000 27,948,000 47,230,000 11,181,000 30,416,000 39,740,000 59,653,000 8,259,000 23,382,000 13,329,000 19,104,000 1,173,000 8,255,000 6,199,000 9,804,000 -2,784,000 4,759,000 204,000 1,511,000 -523,000 10,985,000 8,045,000 5,562,000  10,687,000 4,772,000 1,374,000 1,123,000 12,508,000 7,139,000 554,000 2,268,000 11,039,000 -3,428,000  
      income tax provision
    -14,488,000   -15,784,000 -9,019,000 -8,928,000  3,346,000 -3,528,000 -6,469,000 -6,676,000 -2,632,750 -4,277,000 -1,619,000 -4,635,000 -1,011,000 -2,041,000   -54,500 -462,000   -1,591,750 -2,983,000 -1,528,000 -1,856,000     -433,000        
      net income
    39,376,000 2,996,000 33,311,000 28,253,000 17,261,000 19,020,000 47,555,000 14,527,000 26,888,000 33,271,000 52,977,000 16,246,000 19,105,000 11,710,000 14,469,000 1,556,000 6,214,000 5,724,000 8,276,000 -24,000 4,297,000 447,000 1,512,000 -341,000 8,002,000 6,517,000 3,706,000  9,672,000 3,915,000 1,248,000 690,000 21,480,000 5,865,000 3,970,000 2,160,000 6,601,000 -2,377,000  
      yoy
    128.12% -84.25% -29.95% 94.49% -35.80% -42.83% -10.23% -10.58% 40.74% 184.12% 266.14% 944.09% 207.45% 104.58% 74.83% -6583.33% 44.61% 1180.54% 447.35% -92.96% -46.30% -93.14% -59.20%  -17.27% 66.46% 196.96%  -54.97% -33.25% -68.56% -68.06% 225.41% -346.74%      
      qoq
    1214.29% -91.01% 17.90% 63.68% -9.25% -60.00% 227.36% -45.97% -19.18% -37.20% 226.09% -14.96% 63.15% -19.07% 829.88% -74.96% 8.56% -30.84% -34583.33% -100.56% 861.30% -70.44% -543.40% -104.26% 22.79% 75.85%   147.05% 213.70% 80.87% -96.79% 266.24% 47.73% 83.80% -67.28% -377.70%   
      net income margin %
    8.04% 0.87% 9.42% 8.49% 4.86% 6.32% 14.66% 4.52% 9.92% 15.44% 24.49% 8.67% 13.04% 9.57% 11.80% 1.48% 6.33% 6.23% 8.53% -0.03% 4.85% 0.62% 2.34% -0.46% 9.91% 9.64% 6.20%  12.31% 6.13% 2.11% 1.05% 26.33% 8.16% 7.11% 3.57% 8.64% -4.22%  
      net income per share
                                        194.87 -73.13  
      basic
    0.66 0.05 0.59 0.5 0.31 0.34 0.85 0.25 0.49 0.61 0.98 0.3 0.36 0.22 0.28 0.03 0.12 0.11 0.16  0.09 0.01 0.03 -0.01 0.16 0.13 0.08  0.2 0.08 0.03 0.01 0.47 0.13 0.09 0.05    
      diluted
    0.65 0.05 0.58 0.49 0.3 0.33 0.81 0.24 0.46 0.58 0.93 0.29 0.34 0.21 0.27 0.03 0.12 0.11 0.15  0.08 0.01 0.03 -0.01 0.16 0.13 0.07  0.2 0.08 0.03 0.01 0.44 0.12 0.08 0.04    
      weighted-average shares outstanding:
                                           
      basic
    59,294,883 58,361,701 56,328,483 56,210,459 56,358,694 56,345,648 55,973,914 54,747,930 55,140,887 54,425,384 53,938,136 52,474,811 52,707,406 52,298,905 51,707,160 50,940,808 51,072,639 50,875,618 50,544,573 49,377,410 49,459,837 49,147,366 48,924,454 48,498,813 48,525,904 48,419,845 48,345,942  46,828,798 46,765,366 46,625,915 46,435,560 45,358,452 45,813,801 45,465,723 44,099,338    
      diluted
    60,190,799 59,593,910 57,675,035 58,345,174 58,353,219 58,482,530 58,551,423 57,788,454 58,030,115 57,438,152 57,175,870 55,337,554 55,840,137 55,037,514 53,834,732 53,654,303 53,891,438 53,541,724 53,408,443 51,994,145 52,335,821 51,748,437 50,939,938 50,817,143 50,966,550 50,939,915 50,317,088  49,268,616 49,123,703 49,425,927 49,302,771 49,374,758 49,283,247 49,509,940 49,477,874    
      income tax benefit
     6,985,000 -17,803,000    325,000           -475,000 -1,528,000   243,000 1,000      -1,015,000 -857,000 -126,000  8,972,000 -1,274,000 3,416,000  -4,438,000 1,051,000  
      impairment of equity investment
           -1,155,000   -1,720,000                             
      interest income
         -3,761,000 -3,665,000   623,000 341,000                             
      other expense
             -1,062,000    -1,262,000 -1,663,000 -238,500 -146,000 -646,000 -162,000             -888,000        
      comprehensive income
             33,271,000 52,977,000 16,246,000 19,105,000 11,710,000 14,469,000 1,556,000 6,214,000 5,724,000 8,276,000 -24,000 4,297,000 447,000 1,512,000 -341,000 8,002,000 6,517,000 3,706,000  9,672,000 3,915,000 1,248,000 690,000 21,480,000 5,865,000 3,970,000 2,160,000 -322,000 -2,377,000  
      restructuring expense
                   -18,000 -14,000 96,000       8,000               
      restructuring income
                      -14,000       -4,198,000              
      restructuring expenses
                              -1,792,000             
      weighted-average shares outstanding
                                           
      basic
    59,294,883 58,361,701 56,328,483 56,210,459 56,358,694 56,345,648 55,973,914 54,747,930 55,140,887 54,425,384 53,938,136 52,474,811 52,707,406 52,298,905 51,707,160 50,940,808 51,072,639 50,875,618 50,544,573 49,377,410 49,459,837 49,147,366 48,924,454 48,498,813 48,525,904 48,419,845 48,345,942  46,828,798 46,765,366 46,625,915 46,435,560 45,358,452 45,813,801 45,465,723 44,099,338    
      diluted
    60,190,799 59,593,910 57,675,035 58,345,174 58,353,219 58,482,530 58,551,423 57,788,454 58,030,115 57,438,152 57,175,870 55,337,554 55,840,137 55,037,514 53,834,732 53,654,303 53,891,438 53,541,724 53,408,443 51,994,145 52,335,821 51,748,437 50,939,938 50,817,143 50,966,550 50,939,915 50,317,088  49,268,616 49,123,703 49,425,927 49,302,771 49,374,758 49,283,247 49,509,940 49,477,874    
      selling, general, and administrative expenses
                                       33,005,000 19,701,750 31,002,000  
      provision for income taxes
                                       -108,000    
      net income per share
                                        194.87 -73.13  
      weighted-average number of shares outstanding - basic
                                         5,109,016  
      weighted-average number of shares outstanding - diluted
                                         5,109,016  
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 
                                            
        assets
                                            
        current assets:
                                            
        cash and cash equivalents
      196,821,000 194,403,000 170,029,000 148,692,000 73,845,000 96,768,000 109,034,000 108,183,000 72,705,000 167,763,000 142,549,000 120,778,000 87,021,000 85,317,000 72,248,000 43,353,000 32,889,000 41,694,000 63,402,000 57,768,000 35,439,000 41,041,000 54,224,000 46,167,000 74,740,000 58,747,000 60,746,000 53,874,000 51,205,000          
        accounts receivable
      190,304,000 154,688,000 173,352,000 126,010,000 187,744,000 146,559,000 155,701,000 123,797,000 121,061,000 86,683,000 90,531,000 67,928,000 66,237,000 53,912,000 52,281,000 45,567,000 47,180,000 44,374,000 43,127,000 40,185,000 44,555,000 33,844,000 29,825,000 29,721,000 35,082,000 27,715,000 22,623,000 32,275,000 36,724,000 31,762,000 27,639,000 31,779,000 44,634,000 35,627,000 26,143,000 29,135,000 37,825,000 33,931,000 
        inventory
      220,622,000 247,390,000 170,379,000 187,170,000 214,786,000 238,798,000 199,563,000 191,489,000 204,504,000 147,228,000 98,053,000 81,323,000 81,250,000 81,288,000 70,339,000 84,498,000 85,248,000 76,816,000 54,528,000 56,810,000 68,567,000 64,486,000 52,752,000 46,209,000 48,382,000 50,850,000 51,020,000 43,779,000 46,341,000 53,365,000 59,861,000 61,728,000 62,679,000      
        prepaid expenses and other current assets
      93,842,000 110,756,000 88,766,000 78,688,000 82,702,000 71,914,000 66,162,000 53,608,000 56,630,000 33,772,000 39,276,000 33,296,000 28,382,000 26,881,000 21,772,000 19,611,000 19,808,000 18,420,000 21,674,000 15,381,000 11,728,000 12,389,000 8,714,000 10,263,000 8,054,000 7,813,000 6,795,000 7,340,000 7,473,000 6,756,000 10,385,000 6,639,000 6,272,000 8,302,000 5,724,000 4,084,000 2,387,000 10,065,000 
        total current assets
      701,589,000 707,237,000 602,526,000 540,560,000 559,077,000 554,039,000 530,460,000 477,077,000 454,900,000 435,446,000 370,409,000 303,325,000 262,890,000 247,398,000 216,640,000 193,029,000 185,125,000 181,304,000 182,731,000 170,144,000 160,289,000 151,760,000 145,515,000 132,360,000 166,258,000 145,125,000 141,184,000 137,268,000 141,743,000 125,531,000 115,330,000 110,620,000 123,644,000 113,177,000 107,495,000 115,499,000 124,904,000 106,388,000 
        property and equipment
      44,836,000 44,419,000 39,182,000 28,787,000 19,878,000 15,563,000 14,040,000 13,974,000 12,805,000 7,624,000 7,581,000 7,874,000 8,726,000 8,934,000 9,339,000 10,577,000 12,231,000 13,945,000 15,561,000 13,770,000 16,790,000 16,270,000 16,146,000 17,171,000 16,487,000 16,059,000 16,493,000 16,006,000 21,804,000 18,184,000 18,813,000 18,694,000 18,037,000 16,635,000 16,080,000 16,277,000 17,151,000 15,019,000 
        intangible assets
      564,243,000 575,376,000 203,348,000 207,698,000 212,047,000 216,396,000 220,745,000 225,094,000 230,658,000 73,986,000 76,013,000 78,041,000 80,071,000 82,101,000 84,132,000 86,163,000 88,194,000 90,225,000 92,256,000 94,286,000 96,317,000 98,348,000 100,379,000 102,410,000 91,893,000 93,613,000 95,333,000 97,053,000 98,773,000 100,621,000 102,375,000 104,129,000 105,882,000 107,636,000 109,390,000 111,144,000 113,003,000 115,074,000 
        goodwill
      852,768,000 851,830,000 340,582,000 340,582,000 340,582,000 340,582,000 340,600,000 340,600,000 340,165,000 171,620,000 171,620,000 171,620,000 171,620,000 171,620,000 171,620,000 171,620,000 171,620,000 171,620,000 171,620,000 171,620,000 171,620,000 171,620,000 171,321,000 171,321,000 157,264,000 157,264,000 157,264,000 157,264,000 157,264,000 157,264,000 157,264,000 157,264,000 157,264,000 157,264,000 157,264,000 157,264,000 157,264,000 157,264,000 
        other assets
      160,284,000 139,920,000 129,258,000 130,548,000 133,250,000 110,435,000 98,987,000 72,502,000 68,601,000 57,105,000 31,103,000 31,866,000 29,743,000 29,213,000 29,251,000 30,368,000 30,905,000 33,043,000 33,349,000 34,698,000 33,014,000 32,551,000 25,832,000 26,967,000 21,474,000 22,091,000 22,832,000 21,222,000 13,397,000 9,856,000 9,655,000 10,109,000 9,542,000 9,433,000 2,720,000 1,187,000 2,407,000 1,699,000 
        total assets
      2,323,720,000 2,318,782,000 1,314,896,000 1,248,175,000 1,264,834,000 1,237,015,000 1,204,832,000 1,129,247,000 1,108,284,000 746,936,000 657,881,000 595,601,000 555,925,000 542,141,000 513,857,000 494,632,000 490,950,000 493,012,000 498,392,000 487,393,000 480,905,000 473,424,000 462,068,000 453,104,000 456,251,000 437,027,000 435,981,000 431,688,000 435,856,000 414,331,000 406,312,000 403,691,000 417,244,000 407,020,000 395,824,000 401,371,000 414,729,000 395,458,000 
        liabilities and stockholders' equity
                                            
        current liabilities:
                                            
        current portion of long-term debt
      30,000,000 22,500,000   100,250,000 100,250,000                                 
        accounts payable
      73,980,000 109,296,000 74,603,000 72,180,000 65,293,000 93,617,000 79,989,000 81,075,000 72,917,000 63,736,000 53,237,000 31,427,000 32,049,000 19,279,000 16,023,000 19,227,000 22,756,000 19,299,000 17,113,000 15,699,000 20,108,000 20,544,000 21,484,000 12,390,000 19,589,000 14,807,000 16,982,000 16,280,000 20,483,000 16,072,000 13,760,000 17,054,000 26,776,000 21,007,000 15,653,000 19,861,000 37,944,000 21,493,000 
        accrued expenses and other current liabilities
      150,317,000 130,074,000 110,136,000 104,876,000 128,364,000 117,030,000 116,878,000 117,733,000 129,628,000 83,407,000 51,037,000 70,974,000 49,798,000 46,868,000 39,916,000 40,004,000 33,977,000 32,665,000 33,617,000 41,351,000 31,322,000 26,264,000 22,560,000 26,165,000 29,767,000 20,424,000 18,313,000 18,590,000 12,671,000 10,803,000 9,815,000 8,888,000 15,939,000 12,937,000 12,053,000 16,423,000 33,676,000 32,822,000 
        total current liabilities
      254,297,000 261,870,000 184,739,000 177,056,000 293,907,000 310,897,000 299,805,000 299,115,000 302,939,000 152,371,000 109,705,000 107,976,000 87,537,000 71,948,000 61,732,000 65,017,000 62,513,000 71,218,000 82,977,000 73,331,000 66,680,000 61,027,000 57,231,000 51,123,000 61,295,000 46,541,000 45,976,000 45,129,000 43,015,000 35,942,000 32,235,000 34,594,000 51,361,000 52,084,000 50,471,000 59,940,000 80,270,000 61,303,000 
        long-term debt
      816,701,000 831,551,000 256,676,000 256,676,000 154,061,000 156,648,000                                 
        deferred tax liabilities
      16,737,000 20,897,000 17,009,000 3,812,000 493,000 4,833,000 7,910,000 3,666,000 4,281,000 4,901,000 5,855,000 3,742,000 7,783,000 10,635,000 13,538,000 9,593,000 13,078,000 15,114,000 17,750,000 13,479,000 16,247,000 19,466,000 21,478,000 21,892,000 17,633,000 20,096,000 17,839,000 16,753,000 20,217,000 20,409,000 22,732,000 22,058,000 21,341,000 34,408,000 31,740,000 34,384,000 34,212,000 42,072,000 
        long-term operating lease obligations
      67,477,000 55,629,000 50,351,000 48,721,000 48,116,000 36,176,000 33,637,000 21,459,000 21,720,000 14,559,000 10,137,000 11,201,000 12,329,000 13,440,000 14,637,000 15,744,000 16,659,000 17,919,000 19,053,000 20,084,000 18,370,000 19,185,000 11,400,000 11,239,000 5,084,000 5,846,000 13,945,000 15,898,000           
        other long-term liabilities
      6,662,000 9,826,000 1,269,000 1,055,000 870,000 766,000 656,000 616,000 717,000 942,000 870,000 784,000 795,000 874,000 817,000 769,000 758,000 803,000 736,000 598,000 585,000 516,000 550,000 591,000 556,000 479,000 702,000 668,000 2,770,000 3,050,000 3,123,000 2,981,000 2,977,000 2,878,000 3,259,000 3,213,000 3,208,000 2,498,000 
        total liabilities
      1,161,874,000 1,179,773,000 510,044,000 487,320,000 497,447,000 509,320,000 501,242,000 486,675,000 494,060,000 230,508,000 186,179,000 184,584,000 170,621,000 185,181,000 180,408,000 182,203,000 185,482,000 198,919,000 215,770,000 217,747,000 216,303,000 218,771,000 213,360,000 210,933,000 213,804,000 205,339,000 213,973,000 216,473,000 206,525,000 200,710,000 201,798,000 205,341,000 223,381,000 239,060,000 237,671,000 251,723,000 273,867,000 262,704,000 
        commitments and contingencies
                                            
        stockholders' equity:
                                            
        common stock
      589,000 593,000 566,000 556,000 563,000 562,000 563,000 555,000 553,000 545,000 543,000 535,000 528,000 525,000 517,000 515,000 512,000 511,000 508,000 504,000 497,000 494,000 491,000 489,000 486,000 485,000 484,000 483,000 478,000 471,000 467,000 465,000 463,000 459,000 458,000 454,000 438,000 437,000 
        additional paid-in capital
      1,266,793,000 1,283,385,000 952,015,000 942,025,000 977,141,000 954,455,000 949,817,000 936,403,000 922,592,000 851,634,000 840,181,000 832,481,000 823,021,000 813,785,000 801,992,000 795,443,000 790,041,000 784,881,000 779,137,000 774,441,000 769,380,000 763,731,000 758,236,000 753,213,000 753,151,000 750,395,000 747,233,000 744,147,000 740,354,000 734,323,000 729,135,000 724,221,000 720,372,000 715,953,000 712,012,000 707,480,000 700,871,000 699,364,000 
        accumulated other comprehensive income
      1,028,000 971,000 1,207,000 521,000 183,000 439,000                                 
        accumulated deficit
      -106,564,000 -145,940,000 -148,936,000 -182,247,000 -210,500,000 -227,761,000 -246,781,000 -294,336,000 -308,863,000 -335,751,000 -369,022,000 -421,999,000 -438,245,000 -457,350,000 -469,060,000 -483,529,000 -485,085,000 -491,299,000 -497,023,000 -505,299,000 -505,275,000 -509,572,000 -510,019,000 -511,531,000 -511,190,000 -519,192,000 -525,709,000 -529,415,000 -511,501,000 -521,173,000 -525,088,000 -526,336,000 -526,972,000 -548,452,000 -554,317,000 -558,286,000 -560,447,000 -567,047,000 
        total stockholders' equity
      1,161,846,000 1,139,009,000 804,852,000  767,387,000 727,695,000 703,590,000  614,224,000 516,428,000 471,702,000 411,017,000 385,304,000 356,960,000 333,449,000 312,429,000 305,468,000 294,093,000 282,622,000 269,646,000 264,602,000 254,653,000 248,708,000 242,171,000 242,447,000 231,688,000 222,008,000 215,215,000 229,331,000 213,621,000 204,514,000 198,350,000 193,863,000 167,960,000 158,153,000 149,648,000 140,862,000 132,754,000 
        total liabilities and stockholders' equity
      2,323,720,000 2,318,782,000 1,314,896,000  1,264,834,000 1,237,015,000 1,204,832,000  1,108,284,000 746,936,000 657,881,000 595,601,000 555,925,000 542,141,000 513,857,000 494,632,000 490,950,000 493,012,000 498,392,000 487,393,000 480,905,000 473,424,000 462,068,000 453,104,000 456,251,000 437,027,000 435,981,000 431,688,000 435,856,000 414,331,000 406,312,000 403,691,000 417,244,000 407,020,000 395,824,000    
        liabilities and stockholders’ equity
                                            
        stockholders’ equity:
                                            
        total stockholders’ equity
         760,855,000    642,572,000                               
        total liabilities and stockholders’ equity
         1,248,175,000    1,129,247,000                               
        current portion of long-term debt and finance lease obligations
            102,938,000 100,307,000 100,394,000 5,228,000 5,431,000 5,575,000 5,690,000 5,801,000 5,793,000 5,786,000 5,780,000 19,254,000 32,247,000 16,281,000 15,250,000 14,219,000 13,187,000 12,568,000 11,939,000 11,310,000 10,681,000 10,259,000           
        long-term debt and finance lease obligations
            159,234,000 161,819,000 164,403,000 57,735,000 59,612,000 60,881,000 62,177,000 88,284,000 89,684,000 91,080,000 92,474,000 93,865,000 95,254,000 110,255,000 114,421,000 118,577,000 122,701,000 126,088,000 129,236,000 132,377,000 135,511,000 138,025,000           
        accumulated other comprehensive loss
            -9,000 -50,000 -58,000                              
        investments
              1,155,000 1,155,000 1,155,000 2,875,000 2,875,000 2,875,000 2,875,000 2,875,000 2,875,000 2,875,000 2,875,000 2,875,000 2,875,000 2,875,000 2,875,000 2,875,000 2,875,000 2,875,000 2,875,000 2,875,000 2,875,000 2,875,000 2,875,000 2,875,000 2,875,000 2,875,000 2,875,000    
        current portion of long-term debt and capital lease obligations
                                  9,861,000 9,067,000 8,660,000 8,652,000 8,646,000 18,140,000 22,765,000 23,656,000 8,650,000 4,619,000 
        long-term debt and capital lease obligations
                                  140,523,000 141,309,000 143,708,000 145,708,000 147,702,000 149,690,000 152,201,000 154,186,000 156,177,000 156,831,000 
        cash
                                   33,648,000 17,445,000 10,474,000 10,059,000 5,677,000 3,354,000 5,376,000 15,295,000 21,084,000 
        inventories
                                       63,571,000 72,274,000 76,904,000 69,397,000 41,308,000 
        liabilities, convertible preferred stock and stockholders' equity
                                            
        total liabilities, convertible preferred stock and stockholders' equity
                                         401,371,000 414,729,000 395,458,000 
        foreign currency forward contracts
                                           2,369,000 
        convertible preferred stock, par value of 0.01 per share; 200,000 shares authorized and 135,041 shares issued and outstanding as of december 31, 2015; liquidation preference of 197,295 as of december 31, 2015; no shares authorized, issued or outstanding as of december 31, 2016
                                            
        stockholders' equity
                                            
        preferred stock, par value of 0.01 per share; no shares authorized, issued or outstanding as of december 31, 2015; 30,000,000 shares authorized as of december 31, 2016; no shares issued and outstanding as of december 31, 2016
                                            
        deferred tax assets
                                           14,000 
        convertible preferred stock, par value of 0.01 per share; 200,000 shares authorized and 135,041 shares issued and outstanding as of december 31, 2015; liquidation preference of 197,295 as of december 31, 2015; no shares authorized, issued or outstanding as of september 30, 2016
                                            
        preferred stock, par value of 0.01 per share; no shares authorized, issued or outstanding as of december 31, 2015; 30,000,000 shares authorized as of september 30, 2016; no shares issued and outstanding as of september 30, 2016
                                            
        employee loan receivable
                                            
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 
                                             
          cash flows from operating activities:
                                             
          net income
        39,376,000 2,996,000 33,311,000 28,253,000 17,261,000 19,020,000 47,555,000 14,527,000 26,888,000 33,271,000 52,977,000 16,246,000 19,105,000 11,710,000 14,469,000 1,556,000 6,214,000 5,724,000 8,276,000 -24,000 4,297,000 447,000 1,512,000 -341,000 8,002,000 6,517,000 3,706,000 -17,914,000 9,672,000 3,915,000 1,248,000 690,000 21,480,000 5,865,000 3,970,000 2,160,000 6,601,000 
          adjustments to reconcile net income to net cash from operating activities:
                                             
          depreciation and amortization
        21,555,000 18,286,000 13,192,000 13,216,000    11,666,000 11,936,000 6,674,000 5,637,000 5,668,000 5,421,000 5,351,000 5,724,000 6,766,000 6,968,000 7,127,000 6,222,000 6,371,000 6,211,000 6,168,000 6,429,000 5,980,000 5,694,000 5,977,000 5,192,000 27,161,000 4,956,000 4,193,000 4,424,000 4,288,000      
          non-cash lease expense
        2,712,000 2,698,000 2,843,000 2,730,000                                  
          stock-based compensation expense
        29,874,000 29,477,000 9,868,000  22,339,000 21,648,000 12,964,000  11,042,000 11,217,000 7,200,000  7,257,000 8,034,000 6,542,000  5,211,000 5,107,000 4,280,000 4,642,000 5,028,000 5,385,000 4,627,000 4,206,000 3,352,000 4,004,000 3,926,000 3,683,000 4,357,000 4,193,000 4,631,000 3,640,000 3,754,000 3,787,000 3,529,000 2,404,000 1,560,000 
          amortization of debt issuance costs and discount on debt
        475,000 353,000 134,000 132,000 137,000 138,000 138,000 140,000 141,000 74,000 75,000 75,000 90,000 90,000 91,000 90,000 93,000 93,000 118,000 206,000 213,000 214,000 214,000 182,000 186,000 189,000 190,000 190,000 196,000 198,000 199,000 199,000 205,000 202,000 201,000 202,000 -223,000 
          deferred income taxes
        -3,661,000 4,500,000 14,216,000 4,599,000 -5,477,000 -3,784,000 5,108,000 -1,592,000 -2,843,000 -954,000 2,113,000 -4,582,000 -2,861,000 -2,903,000 3,945,000 -3,300,000 -2,036,000 -2,636,000 4,271,000 -2,900,000 -3,219,000 -2,051,000 -414,000 1,563,000 -2,463,000 2,257,000 1,086,000 -3,433,000 -25,000 -2,323,000 674,000 735,000 -13,433,000 2,681,000 -2,647,000 -35,000 -7,768,000 
          acquisition-related seller expenses
                                           
          loss on extinguishment of debt
                     460,000                   
          other
        26,000 1,479,000 911,000 -708,000 826,000 145,000 -127,000 1,200,000 -194,000 150,000 71,000 180,000 23,000 -45,000 21,000 39,000 200,000 160,000 97,000 329,000 80,000 -98,000 72,000 463,000 46,000 348,000 16,000 242,000 284,000 17,000 33,000 142,000 998,000 13,000 -18,000 199,000 80,000 
          changes in operating assets and liabilities:
                                             
          accounts receivable
        -35,569,000 49,128,000 -46,170,000 62,325,000 -43,846,000 10,594,000 -31,815,000 -3,720,000 -27,066,000 3,803,000 -22,615,000 -1,812,000 -12,319,000 -1,574,000 -6,727,000 1,614,000 -2,837,000 -1,403,000 -2,971,000 4,341,000 -10,747,000 -3,949,000 -174,000 5,531,000 -7,382,000 -5,286,000 9,641,000 4,215,000 -5,146,000 -4,117,000 4,141,000 12,771,000 -9,994,000 -9,493,000 3,006,000 8,480,000 -3,889,000 
          inventory
        26,616,000 -37,895,000 18,684,000 28,526,000 21,419,000 -36,997,000 -8,074,000 12,968,000 -40,994,000 -49,175,000 -16,729,000 -74,000                          
          prepaid expenses and other assets
        -4,782,000 -32,423,000 -16,332,000 1,680,000 -28,671,000 -18,363,000 -30,500,000 -4,486,000 -23,606,000 -18,996,000 -8,094,000 -9,330,000 -5,668,000 -6,297,000 -3,258,000 -1,970,000 -2,206,000 752,000 -7,131,000 -4,646,000 -2,005,000 -4,073,000 1,065,000 -3,240,000 -2,058,000 -1,927,000 725,000 -1,732,000 -5,718,000 2,698,000 -3,966,000 -1,498,000 1,830,000 -9,523,000 -3,203,000 -304,000 7,680,000 
          accounts payable and accrued expenses
        -14,551,000 25,900,000 -1,542,000 -17,706,000 -10,879,000 8,295,000 -3,107,000 -3,518,000 39,621,000 43,098,000 2,014,000 20,385,000 15,812,000 10,240,000 -3,442,000 2,189,000 5,187,000 1,541,000 -7,419,000 6,051,000 3,459,000 2,071,000 5,891,000 -11,666,000 13,446,000 1,992,000 2,190,000 -3,100,000 5,229,000 3,462,000 -2,051,000 -16,891,000 8,584,000 6,261,000 -8,879,000 -31,449,000 19,552,000 
          other liabilities
        -2,666,000 5,342,000 -1,882,000 -1,795,000 -1,924,000 -2,197,000 -1,995,000 -2,491,000 -1,507,000 -1,246,000 -1,015,000 -1,158,000 -1,119,000 -1,190,000 -945,000 -1,062,000 -1,296,000 -1,001,000 -1,017,000 -900,000 -699,000 -797,000 -856,000 -333,000 -504,000 -4,111,000 -6,566,000 -3,295,000 -278,000 -72,000 141,000 3,000 100,000 -382,000 46,000 6,000 499,000 
          net cash from operating activities
        59,405,000 23,415,000 27,233,000 136,100,000 -14,709,000 11,168,000 1,281,000 37,015,000 -17,131,000 27,916,000 23,354,000 32,882,000 25,955,000 12,468,000 30,578,000 11,687,000 7,052,000 -6,718,000 7,492,000 27,525,000 -1,463,000 -8,410,000 11,823,000 6,513,000 20,795,000 4,140,000 12,865,000 8,578,000 20,551,000 18,660,000 11,341,000 5,030,000 18,545,000 11,696,000 4,180,000 -22,043,000 -429,000 
          capital expenditures
        -6,620,000 -6,849,000 -7,095,000 -11,059,000 -5,052,000 -1,623,000 -786,000 -2,675,000 -4,519,000 -849,000 -616,000 -76,000 -953,000 -453,000 -241,000 -222,000 -947,000 -1,313,000 -2,336,000 -2,516,000 -1,212,000 -1,591,000 -1,155,000 -2,349,000 -1,539,000 -2,630,000 -2,904,000 -3,762,000 -2,416,000 -1,294,000 -2,495,000 -2,667,000 -3,173,000 -2,222,000 -1,473,000 -676,000 -3,670,000 
          free cash flows
        52,785,000 16,566,000 20,138,000 125,041,000 -19,761,000 9,545,000 495,000 34,340,000 -21,650,000 27,067,000 22,738,000 32,806,000 25,002,000 12,015,000 30,337,000 11,465,000 6,105,000 -8,031,000 5,156,000 25,009,000 -2,675,000 -10,001,000 10,668,000 4,164,000 19,256,000 1,510,000 9,961,000 4,816,000 18,135,000 17,366,000 8,846,000 2,363,000 15,372,000 9,474,000 2,707,000 -22,719,000 -4,099,000 
          cash flows from investing activities:
                                             
          acquisition, net of cash acquired
        -1,079,000                                    
          purchase of property and equipment
        -6,620,000 -6,849,000 -7,095,000 -11,059,000 -5,052,000 -1,623,000 -786,000 -2,675,000 -4,519,000 -849,000 -616,000 -76,000 -953,000 -453,000 -241,000 -222,000 -947,000 -1,313,000 -2,336,000 -2,516,000 -1,212,000 -1,591,000 -1,155,000 -2,349,000 -1,539,000 -2,630,000 -2,904,000 -3,762,000 -2,416,000 -1,294,000 -2,495,000 -2,667,000 -3,173,000 -2,222,000 -1,473,000 -676,000 -3,670,000 
          net cash from investing activities
        -7,939,000 -587,452,000 -7,559,000 -11,358,000 -5,237,000 -1,623,000 -879,000 -3,703,000 -279,492,000 -849,000 -616,000 -76,000 -953,000 -453,000 -241,000 -222,000 -947,000 -1,313,000 -2,336,000 -2,516,000 -1,212,000 -1,591,000 -1,155,000 -28,272,000 -1,539,000 -2,630,000 -2,904,000 -3,762,000 -2,416,000 -1,294,000 -2,495,000 -2,667,000 -3,173,000 -2,222,000 -4,348,000 -676,000 -3,670,000 
          cash flows from financing activities:
                                             
          proceeds from revolving line of credit
                     26,480,000 20,000,000      2,000,000 1,800,000 3,500,000 5,600,000 15,000,000 
          repayment of revolving line of credit
                      -13,480,000   -20,000,000      -2,000,000 -11,300,000 -8,100,000   
          proceeds from long-term debt
                                           
          repayment of long-term debt
           -165,314,000 -2,687,000   -2,687,000 -2,688,000 -1,250,000 -1,250,000 -1,250,000 -26,250,000 -1,250,000 -1,250,000 -1,250,000 -1,250,000 -1,250,000 -50,775,000 -3,093,000 -3,094,000 -3,094,000 -2,475,000 -2,475,000 -2,475,000 -2,475,000 -2,063,000 -2,063,000      -2,063,000    
          debt issuance costs paid
                    -1,064,000 -334,000              
          repurchase of common stock
           -49,986,000                   -4,358,000 -1,000,000 -1,467,000 -1,079,000           
          cash received from issuance of common stock
        3,530,000 1,650,000 121,000    464,000 2,668,000 2,143,000 265,000 485,000 2,401,000 3,149,000 2,501,000 2,000 441,000 12,000 761,000 463,000 621,000 371,000 113,000 398,000 216,000 406,000 626,000 240,000 115,000 1,681,000 998,000 285,000 212,000 669,000 156,000 1,007,000 146,000 37,000 
          net cash from financing activities
        -53,957,000 594,759,000 121,000 -50,171,000 -2,302,000 -22,384,000 408,000 -106,000 203,871,000 -1,853,000 -967,000 951,000 -23,298,000 1,054,000 -1,442,000 -1,001,000 -14,910,000 -13,677,000 478,000 -2,680,000 -2,927,000 -3,182,000 -2,611,000 -6,814,000 -3,263,000 -3,509,000 -3,089,000 -2,147,000 -578,000 -1,163,000 -1,875,000 -1,948,000 -10,990,000 -7,151,000 -1,854,000 12,800,000 -1,690,000 
          effect of exchange rate changes on cash and cash equivalents
        -91,000 -1,348,000 1,542,000   573,000 41,000 22,000                              
          net increase in cash and cash equivalents
          21,337,000   -12,266,000 851,000   25,214,000 21,771,000 33,757,000 1,704,000 13,069,000 28,895,000    5,634,000 22,329,000 -5,602,000 -13,183,000 8,057,000 -28,573,000 15,993,000 -1,999,000 6,872,000 2,669,000          
          cash and cash equivalents - beginning of period
          148,692,000   108,183,000   120,778,000 43,353,000 57,768,000 46,167,000 53,874,000 51,205,000          
          cash and cash equivalents - end of period
          170,029,000   -12,266,000 109,034,000   25,214,000 142,549,000 33,757,000 1,704,000 13,069,000 72,248,000 10,464,000 -8,805,000 -21,708,000 63,402,000 22,329,000 -5,602,000 -13,183,000 54,224,000 -28,573,000 15,993,000 -1,999,000 60,746,000 53,874,000          
          net increase in cash, cash equivalents and restricted cash
                                             
          cash, cash equivalents and restricted cash - beginning of period
                                             
          cash, cash equivalents and restricted cash - end of period
                                             
          stock based compensation expense
                                             
          impairment of equity investment
               1,155,000 1,720,000                           
          investment contributions
                                             
          proceeds from exercise of stock options
            384,000                                 
          effect of exchange rate changes on cash, cash equivalents and restricted cash
                                             
          net decrease in cash, cash equivalents and restricted cash
                                             
          depreciation, amortization and non-cash lease expense
             12,669,000 11,134,000                               
          restructuring expense
                       -18,000 -14,000                     
          inventories
                     -10,948,000 14,158,000 735,000 -8,432,000 -22,278,000 2,320,000 11,414,000 -4,081,000 -11,727,000 -6,543,000 4,168,000 2,468,000 170,000 -7,241,000 2,561,000 7,024,000 6,496,000 1,867,000 951,000 881,000 8,698,000 4,635,000 -7,496,000 -28,087,000 
          restructuring income
                          -14,000      8,000             
          proceeds from long term debt
                        25,581,000                  110,455,000 
          net decrease in cash and cash equivalents
                        -8,805,000                     
          restructuring loss
                                             
          investment in equity securities
                                           
          debt prepayment penalty
                                             
          loss on foreign currency forward contracts
                                            -2,369,000 
          proceeds from repayment of employee note receivable
                                            
          deferred offering costs paid
                                           -193,000 -2,247,000 
          dividend paid
                                            
          adjustments to reconcile net income to net cash from (used in) operating activities:
                                             
          repayment of long term debt
                                     -2,063,000 -2,062,000 -2,063,000    -2,063,000 -109,171,000 
          net increase in cash
                                     16,203,000 6,971,000 415,000 4,382,000   -9,919,000 -5,789,000 
          cash - beginning of period
                                     10,059,000 15,295,000 
          cash - end of period
                                     16,203,000 6,971,000 10,474,000 4,382,000 2,323,000 -2,022,000 5,376,000 -5,789,000 
          loss on disposal of fixed assets
                                        295,000 58,000 52,000 131,000 25,000 
          amortization of intangible and other non-current assets
                                             
          depreciation of property and equipment
                                         1,587,000 1,734,000 1,800,000 1,504,000 
          proceeds from sale of property and equipment
                                            
          amortization of intangible assets
                                          1,754,000 1,859,000 2,070,000 
          net decrease in cash
                                             
          compensation expense paid to seller
                                             
          due to related parties
                                             
          acquisition of intangible assets
                                             
          cash received from issuance of preferred stock
                                             
          supplemental disclosure of cash flow information:
                                             
          cash paid for interest
                                             
          cash paid for income taxes
                                             
          supplemental disclosure of noncash investing and financing activities:
                                             
          accretion of preferred stock to maximum redemption value
                                             
          deferred offering costs included in accounts payable and accrued expenses
                                             
          property and equipment acquired under capital leases
                                             
          property and equipment purchases included in accounts payable and accrued expenses
                                             
          vesting of shares related to early exercise of common stock options
                                             
          note receivable issued to finance early exercise of common stock
                                             
          net repayment of note receivable with dividend proceeds
                                             
          loss/(gain) on foreign currency forward contracts