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Condensed Consolidated Statement Of Stockholders' Equity - 9 months ended Sep. 30, 2017 - 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 | 115,420 |  |  | 115,420 |  |
Issuance of 190,753 shares of common stock pursuant to stock-based awards, net of shares tendered for payment of taxes | (7,313) | 2 | (7,315) |  |  |
Stock-based compensation expense | 15,042 |  | 15,042 |  |  |
Issuance of 63,677 deferred stock units relating to prior year compensation | 6,907 |  | 6,907 |  |  |
Other comprehensive income |  |  |  |  | 4,077 |
Cash dividends ($1.50 per share) | (37,346) |  |  | (37,346) |  |
Dividend equivalents on stock-based awards |  |  | 1,199 | (1,199) |  |
Ending balance at Sep. 30, 2017 | $ 647,056 | $ 276 | $ 201,814 | $ 472,154 | $ 2,279 | $ (29,467)

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