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v3.3.1.900

Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Common Stock [Member] Common Class A [Member] | Common Stock [Member] Common Class B [Member] | Common Stock [Member] | Additional Paid-in Capital [Member] | Treasury Stock [Member] | Retained Earnings [Member] | AOCI Attributable to Parent [Member] | Total
--- | --- | --- | --- | --- | --- | --- | --- | ---
Balance (in shares) at Dec. 31, 2012 | 27,999,000 | 10,792,000 |  |  |  |  |  |
Balance at Dec. 31, 2012 |  |  | $ 404 | $ 222,627 | $ (17,948) | $ 404,619 | $ (1,756) | $ 607,946
Stock options exercised and stock awards (including tax benefit of $2,566) (in shares) | 747,000 | 43,000 |  |  |  |  |  |
Stock options exercised and stock awards |  |  | $ 8 | 11,325 |  |  |  | 11,333
Stock-based compensation related to stock options, restricted shares and employee stock purchase plan |  |  |  | 8,645 |  |  |  | 8,645
Vesting of restricted share awards (in shares) | 85,000 | 24,000 |  |  |  |  |  |
Vesting of restricted share awards |  |  | $ 1 | (711) |  |  |  | (710)
Stock Issued During Period, Shares, Employee Stock Purchase Plans | 80,000 |  |  |  |  |  |  |
Issuance of common stock under employee stock purchase plan |  |  | $ 1 | $ 1,268 |  |  |  | 1,269
Common stock repurchases (in shares) |  | (554,000) |  |  |  |  |  |
Common stock repurchases |  |  |  |  | $ (12,873) |  |  | (12,873)
Other comprehensive income |  |  |  |  |  |  | $ 554 | 554
Net income |  |  |  |  |  | $ 49,217 |  | 49,217
Balance (in shares) at Dec. 31, 2013 | 28,911,000 | 10,305,000 |  |  |  |  |  |
Balance at Dec. 31, 2013 |  |  | $ 414 | $ 243,154 | $ (30,821) | $ 453,836 | $ (1,202) | 665,381
Stock options exercised and stock awards (including tax benefit of $2,566) (in shares) | 872,000 | 30,000 |  |  |  |  |  |
Stock options exercised and stock awards |  |  | $ 9 | 16,216 |  |  |  | 16,225
Stock-based compensation related to stock options, restricted shares and employee stock purchase plan |  |  |  | 11,343 |  |  |  | 11,343
Vesting of restricted share awards (in shares) | 42,000 | 113,000 |  |  |  |  |  |
Vesting of restricted share awards |  |  | $ 1 | 311 |  |  |  | 312
Stock Issued During Period, Shares, Employee Stock Purchase Plans | 64,000 |  |  |  |  |  |  |
Issuance of common stock under employee stock purchase plan |  |  |  | $ 1,462 |  |  |  | 1,462
Common stock repurchases (in shares) |  | (449,000) |  |  |  |  |  |
Common stock repurchases |  |  |  |  | $ (12,253) |  |  | (12,253)
Other comprehensive income |  |  |  |  |  |  | $ 742 | 742
Net income |  |  |  |  |  | $ 79,957 |  | 79,957
Balance (in shares) at Dec. 31, 2014 | 29,889,000 | 9,999,000 |  |  |  |  |  |
Balance at Dec. 31, 2014 |  |  | $ 424 | $ 272,486 | $ (41,904) | $ 533,793 | $ (460) | 764,339
Issuance of common stock related to business acquisition |  |  |  |  | $ 1,170 |  |  | $ 1,170
Stock options exercised and stock awards (including tax benefit of $2,566) (in shares) | 182,000 |  |  |  |  |  |  | 182,199
Stock options exercised and stock awards |  |  | $ 2 | $ 1,933 |  |  |  | $ 1,935
Stock-based compensation related to stock options, restricted shares and employee stock purchase plan |  |  |  | 12,384 |  |  |  | 12,384
Vesting of restricted share awards (in shares) | 147,000 | 150,000 |  |  |  |  |  |
Vesting of restricted share awards |  |  | $ 3 | (572) |  |  |  | (569)
Stock Issued During Period, Shares, Employee Stock Purchase Plans | 86,000 |  |  |  |  |  |  |
Issuance of common stock under employee stock purchase plan |  |  | $ 1 | $ 2,063 |  |  |  | 2,064
Common stock repurchases (in shares) |  | (56,000) |  |  |  |  |  |
Common stock repurchases |  |  |  |  | $ (1,464) |  |  | (1,464)
Other comprehensive income |  |  |  |  |  |  | $ 155 | 155
Net income |  |  |  |  |  | $ 66,053 |  | 66,053
Balance (in shares) at Dec. 31, 2015 | 30,304,000 | 10,093,000 |  |  |  |  |  |
Balance at Dec. 31, 2015 |  |  | $ 430 | $ 288,294 | $ (43,368) | $ 599,846 | $ (305) | $ 844,897

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