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Condensed Consolidated Statement Of Stockholders' Equity - 3 months ended Mar. 31, 2018 - USD ($) $ in Thousands | Total | Common Stock | Paid-in Capital | Retained Earnings | Accumulated Other Comprehensive Income | Treasury Stock
--- | --- | --- | --- | --- | --- | ---
Beginning 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 | 47,336 |  |  | 47,336 |  |
Issuance of 223,768 shares of common stock pursuant to stock-based awards, net of shares tendered for payment of taxes | (14,085) | 2 | (14,087) |  |  |
Stock-based compensation expense | 5,543 |  | 5,543 |  |  |
Other comprehensive income |  |  |  |  | 1,110 |
Cash dividends ($0.55 per share) | (13,858) |  |  | (13,858) |  |
Dividend equivalents on stock-based awards |  |  | 319 | (319) |  |
Ending balance at Mar. 31, 2018 | $ 678,791 | $ 279 | $ 195,765 | $ 508,665 | $ 3,549 | $ (29,467)

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