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Consolidated Statements of Stockholders' Equity (USD $) In Thousands, except Share data | Total | Common Stock | Paid-in Capital | Retained Earnings | Accumulated Other Comprehensive (Loss) Income | Treasury Stock
--- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2009 | $ 685,762 | $ 435 | $ 173,176 | $ 628,234 | $ (55,601) | $ (60,482)
Beginning Balance (in shares) at Dec. 31, 2009 |  | 38,284,000 |  |  |  |
Net income | 144,646 |  |  | 144,646 |  |
Other comprehensive income (loss) | (7,425) |  |  |  | (7,425) |
Dividends declared on common stock | (31,957) |  |  | (31,957) |  |
Stock compensation expense | 5,837 |  | 5,837 |  |  |
Stock option exercises, including tax benefit of $2,952 in 2010, $2,576 in 2011 and $580 in 2012 (in shares) |  | 300,000 |  |  |  |
Stock option exercises, including tax benefit of $2,952 in 2010, $2,576 in 2011 and $580 in 2012 | 5,624 | 3 | 5,621 |  |  |
Net issuance of treasury stock for vested restricted stock units, including tax benefit of $408 in 2010, $1,856 in 2011 and $721 in 2012 (in shares) |  | 67,000 |  |  |  |
Net issuance of treasury stock for vested restricted stock units, including tax benefit of $408 in 2010, $1,856 in 2011 and $721 in 2012 | (1,063) |  | (675) |  |  | (388)
Repurchases of common stock (in shares) |  | (7,107,000) |  |  |  |
Repurchases of common stock | (247,825) |  |  |  |  | (247,825)
Two-for-one stock split, net of treasury shares of 5,171 (in shares) |  | 38,332,000 |  |  |  |
Two-for-one stock split, net of treasury shares of 5,171 |  | 435 | (435) |  |  |
Ending Balance at Dec. 31, 2010 | 553,599 | 873 | 183,524 | 740,923 | (63,026) | (308,695)
Ending Balance (in shares) at Dec. 31, 2010 |  | 69,876,000 |  |  |  |
Net income | 193,173 |  |  | 193,173 |  |
Other comprehensive income (loss) | (52,256) |  |  |  | (52,256) |
Dividends declared on common stock | (31,109) |  |  | (31,109) |  |
Stock compensation expense | 7,692 |  | 7,692 |  |  |
Stock option exercises, including tax benefit of $2,952 in 2010, $2,576 in 2011 and $580 in 2012 (in shares) |  | 217,000 |  |  |  |
Stock option exercises, including tax benefit of $2,952 in 2010, $2,576 in 2011 and $580 in 2012 | 4,451 | 2 | 4,449 |  |  |
Net issuance of treasury stock for vested restricted stock units, including tax benefit of $408 in 2010, $1,856 in 2011 and $721 in 2012 (in shares) |  | 232,000 |  |  |  |
Net issuance of treasury stock for vested restricted stock units, including tax benefit of $408 in 2010, $1,856 in 2011 and $721 in 2012 | (3,341) |  | (621) |  |  | (2,720)
Repurchases of common stock (in shares) | (441,416) | (441,000) |  |  |  |
Repurchases of common stock | (15,797) |  |  |  |  | (15,797)
Other | 1,582 |  | 1,582 |  |  |
Ending Balance at Dec. 31, 2011 | 657,994 | 875 | 196,626 | 902,987 | (115,282) | (327,212)
Ending Balance (in shares) at Dec. 31, 2011 | 69,883,808 | 69,884,000 |  |  |  |
Net income | 151,346 |  |  | 151,346 |  |
Other comprehensive income (loss) | 5,369 |  |  |  | 5,369 |
Dividends declared on common stock | (33,790) |  |  | (33,790) |  |
Stock compensation expense | 7,208 |  | 7,208 |  |  |
Stock option exercises, including tax benefit of $2,952 in 2010, $2,576 in 2011 and $580 in 2012 (in shares) | 36,533 | 36,000 |  |  |  |
Stock option exercises, including tax benefit of $2,952 in 2010, $2,576 in 2011 and $580 in 2012 | 775 | 1 | 774 |  |  |
Net issuance of treasury stock for vested restricted stock units, including tax benefit of $408 in 2010, $1,856 in 2011 and $721 in 2012 (in shares) |  | 89,000 |  |  |  |
Net issuance of treasury stock for vested restricted stock units, including tax benefit of $408 in 2010, $1,856 in 2011 and $721 in 2012 | (1,150) |  | (159) |  |  | (991)
Repurchases of common stock (in shares) | (805,346) | (805,000) |  |  |  |
Repurchases of common stock | (34,109) |  |  |  |  | (34,109)
Ending Balance at Dec. 31, 2012 | $ 753,643 | $ 876 | $ 204,449 | $ 1,020,543 | $ (109,913) | $ (362,312)
Ending Balance (in shares) at Dec. 31, 2012 | 69,203,967 | 69,204,000 |  |  |  |

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