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Consolidated Statement of Stockholders' Equity Consolidated Statement of Stockholders' Equity - USD ($) | Total | Common Stock | Treasury Stock | Additional Paid-in Capital | Accumulated Other Comprehensive Income (loss) | Retained Earnings
--- | --- | --- | --- | --- | --- | ---
Beginning Balance, shares |  | 51,636,000 | 15,059,000 |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | $ 724,025,000 | $ 52,000 | $ (472,536,000) | $ 461,494,000 | $ (2,941,000) | $ 737,956,000
Stock options exercised, shares |  | 314,000 |  |  |  |
Stock options exercised, value | 8,880,000 | $ 0 |  | 8,880,000 |  |
Restricted/Performance stock units vested |  | 31,000 |  |  |  |
Shares paid for tax withholding, shares |  | (2,000) |  |  |  |
Shares paid for tax withholding, value | (168,000) |  |  | (168,000) |  |
Share-based Compensation Expense |  |  |  | 5,332,000 |  |
Share-based Compensation Expense | 5,332,000 |  |  |  |  |
Repurchases of common stock, shares |  | (196,000) | (196,000) |  |  |
Repurchases of common stock, value | (16,490,000) |  | $ (16,490,000) |  |  |
Net income | 45,630,000 |  |  |  |  | 45,630,000
Cumulative Effect on Retained Earnings, Tax, Adoption of ASU 2016-16 | (426,000) |  |  |  |  |
Cumulative Effect on Retained Earnings, Tax, Adoption of ASU 2016-16 | Adoption of ASU 2016-16 |  |  |  |  |  | (426,000)
Foreign currency translation adjustment | $ (270,000) |  |  |  | (270,000) |
Repurchases of common stock, shares | (196,000) |  |  |  |  |
Repurchases of common stock, value | $ (16,490,000) |  |  |  |  |
Net income | 146,609,000 |  |  |  |  |
Unrealized gains (losses) from foreign currency translation adjustments | (2,877,000) |  |  |  |  |
Beginning Balance, shares |  | 51,783,000 | 15,255,000 |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | 766,513,000 | $ 52,000 | $ (489,026,000) | 475,538,000 | (3,211,000) | 783,160,000
Stock options exercised, shares |  | 378,000 |  |  |  |
Stock options exercised, value | 10,891,000 | $ 0 |  | 10,891,000 |  |
Restricted/Performance stock units vested |  | 8,000 |  |  |  |
Share-based Compensation Expense |  |  |  | 6,720,000 |  |
Share-based Compensation Expense | 6,720,000 |  |  |  |  |
Net income | 43,853,000 |  |  |  |  | 43,853,000
Foreign currency translation adjustment | (2,786,000) |  |  |  | (2,786,000) |
Beginning Balance, shares |  | 52,169,000 | 15,255,000 |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | 825,191,000 | $ 52,000 | $ (489,026,000) | 493,149,000 | (5,997,000) | 827,013,000
Stock options exercised, shares |  | 826,000 |  |  |  |
Stock options exercised, value | 22,259,000 | $ 1,000 |  | 22,258,000 |  |
Share-based Compensation Expense |  |  |  | 7,643,000 |  |
Share-based Compensation Expense | $ 7,643,000 |  |  |  |  |
Repurchases of common stock, shares | 0 |  |  |  |  |
Repurchases of common stock, value | $ 0 |  |  |  |  |
Net income | 57,126,000 |  |  |  |  | 57,126,000
Unrealized gains (losses) from foreign currency translation adjustments | 179,000 |  |  |  |  |
Foreign currency translation adjustment | 179,000 |  |  |  | 179,000 |
Beginning Balance, shares |  | 52,995,000 | 15,255,000 |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | 912,398,000 | $ 53,000 | $ (489,026,000) | 523,050,000 | (5,818,000) | 884,139,000
Beginning Balance, shares |  | 53,085,000 | 15,255,000 |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | 969,065,000 | $ 53,000 | $ (489,026,000) | 533,164,000 | (6,199,000) | 931,073,000
Stock options exercised, shares |  | 224,000 |  |  |  |
Stock options exercised, value | 6,867,000 | $ 0 |  | 6,867,000 |  |
Restricted/Performance stock units vested |  | 29,000 |  |  |  |
Shares paid for tax withholding, shares |  | (1,000) |  |  |  |
Shares paid for tax withholding, value | (123,000) |  |  | (123,000) |  |
Share-based Compensation Expense |  |  |  | 7,317,000 |  |
Share-based Compensation Expense | 7,317,000 |  |  |  |  |
Cumulative Effect on Retained Earnings, Tax, Adoption of ASU 2016-02 | Cumulative effect of adoption of ASU 2016-02 | (26,795,000) |  |  |  |  | (26,795,000)
Net income | 49,322,000 |  |  |  |  |
Unrealized gains (losses) from foreign currency translation adjustments |  |  |  |  | (577,000) |
Foreign currency translation adjustment | $ (577,000) |  |  |  |  |
Stock options exercised, shares | 699,000 |  |  |  |  |
Repurchases of common stock, shares | (208,000) |  |  |  |  |
Repurchases of common stock, value | $ (27,924,000) |  |  |  |  |
Net income | 143,295,000 |  |  |  |  |
Unrealized gains (losses) from foreign currency translation adjustments | (1,595,000) |  |  |  | (1,595,000) |
Beginning Balance, shares |  | 53,337,000 | 15,255,000 |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | 1,005,076,000 | $ 53,000 | $ (489,026,000) | 547,225,000 | (6,776,000) | 953,600,000
Stock options exercised, shares |  | 189,000 |  |  |  |
Stock options exercised, value | 5,999,000 | $ 0 |  | 5,999,000 |  |
Restricted/Performance stock units vested |  | 7,000 |  |  |  |
Share-based Compensation Expense |  |  |  | 11,473,000 |  |
Share-based Compensation Expense | 11,473,000 |  |  |  |  |
Repurchases of common stock, shares |  | (208,000) | (208,000) |  |  |
Repurchases of common stock, value | (27,854,000) |  | $ (27,854,000) |  |  |
Net income | 44,888,000 |  |  |  |  |
Unrealized gains (losses) from foreign currency translation adjustments |  |  |  |  | 292,000 |
Foreign currency translation adjustment | 292,000 |  |  |  |  |
Beginning Balance, shares |  | 53,325,000 | 15,463,000 |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | 1,039,874,000 | $ 53,000 | $ (516,880,000) | 564,697,000 | (6,484,000) | 998,488,000
Stock options exercised, shares |  | 286,000 |  |  |  |
Stock options exercised, value | 9,925,000 | $ 1,000 |  | 9,924,000 |  |
Share-based Compensation Expense |  |  |  | 10,855,000 |  |
Share-based Compensation Expense | $ 10,855,000 |  |  |  |  |
Repurchases of common stock, shares | (1,000) | 0 | 0 |  |  |
Repurchases of common stock, value | $ (70,000) |  | $ (70,000) |  |  |
Net income | 49,085,000 |  |  |  |  |
Unrealized gains (losses) from foreign currency translation adjustments | (1,310,000) |  |  |  | (1,310,000) |
Foreign currency translation adjustment | (1,310,000) |  |  |  |  |
Beginning Balance, shares |  | 53,611,000 | 15,463,000 |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | $ 1,108,359,000 | $ 54,000 | $ (516,950,000) | $ 585,476,000 | $ (7,794,000) | $ 1,047,573,000

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Data Type: | na
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