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Consolidated Statement Of Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock | Paid-in Capital | Retained Earnings | Accumulated Other Comprehensive (Loss) Income | Treasury Stock
--- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2016 | $ 550,269 | $ 274 | $ 185,981 | $ 395,279 | $ (1,798) | $ (29,467)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 132,884 |  |  | 132,884 |  |
Issuance of common stock pursuant to stock-based awards, net of shares tendered for payment of taxes | (10,531) | 3 | (10,534) |  |  |
Stock-based compensation expense | 20,036 |  | 20,036 |  |  |
Issuance of deferred stock units relating to prior year compensation | 6,907 |  | 6,907 |  |  |
Other comprehensive income (loss) | 4,237 |  |  |  | 4,237 |
Cash dividends | (51,057) |  |  | (51,057) |  |
Dividend equivalents on stock-based awards | 0 |  | 1,600 | (1,600) |  |
Ending Balance at Dec. 31, 2017 | 652,745 | 277 | 203,990 | 475,506 | 2,439 | (29,467)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 148,551 |  |  | 148,551 |  |
Issuance of common stock pursuant to stock-based awards, net of shares tendered for payment of taxes | (16,097) | 3 | (16,100) |  |  |
Stock-based compensation expense | 14,065 |  | 14,065 |  |  |
Repurchases of common stock | (28,695) |  |  |  |  |
Other comprehensive income (loss) | (5,044) |  |  |  | (5,044) |
Cash dividends | (59,270) |  |  | (59,270) |  |
Dividend equivalents on stock-based awards | 0 |  | 1,291 | (1,291) |  |
Ending Balance at Dec. 31, 2018 | 706,255 | 280 | 203,246 | 563,496 | (2,605) | (58,162)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 146,509 |  |  | 146,509 |  |
Issuance of common stock pursuant to stock-based awards, net of shares tendered for payment of taxes | (8,084) | 1 | (8,085) |  |  |
Stock-based compensation expense | 16,077 |  | 16,077 |  |  |
Repurchases of common stock | (28,700) |  |  |  |  |
Other comprehensive income (loss) | 3,728 |  |  |  | 3,728 |
Cash dividends | (63,813) |  |  | (63,813) |  |
Dividend equivalents on stock-based awards | 0 |  | 1,247 | (1,247) |  |
Ending Balance at Dec. 31, 2019 | $ 800,672 | $ 281 | $ 212,485 | $ 644,945 | $ 1,123 | $ (58,162)

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