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Consolidated Statements of Shareholders' Equity (USD $) In Thousands, unless otherwise specified | Total | Common Stock [Member] | Capital in Excess of Par Value [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Loss [Member] | Treasury Stock [Member]
--- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2010 | $ 552,442 | $ 544 | $ 48,145 | $ 749,453 | $ (121,247) | $ (124,453)
Net income | 42,694 |  |  | 42,694 |  |
Other comprehensive income (loss) | (45,494) |  |  |  | (45,494) |
Comprehensive income (loss) | (2,800) |  |  |  |  |
Tax effect on exercise of stock awards | 90 |  | 90 |  |  |
Cash dividends declared ($0.36, $0.36 and 0.40 per share at 2011, 2012 and 2013 respectively) | (16,322) |  |  | (16,322) |  |
Share-based compensation expense | 3,633 |  | 3,633 |  |  |
Repurchase of common shares | (48,904) |  |  |  |  | (48,904)
Delivery of treasury shares |  |  |  |  |  |
RSUs |  |  | (215) |  |  | 215
401 (k) plans | 1,967 |  | (141) |  |  | 2,108
Director compensation | 164 |  | (13) |  |  | 177
Employee stock options exercised - net | 134 |  | (22) |  |  | 156
Ending Balance at Dec. 31, 2011 | 490,404 | 544 | 51,477 | 775,825 | (166,741) | (170,701)
Net income | 59,379 |  |  | 59,379 |  |
Other comprehensive income (loss) | 2,775 |  |  |  | 2,775 |
Comprehensive income (loss) | 62,154 |  |  |  |  |
Tax effect on exercise of stock awards | 631 |  | 631 |  |  |
Cash dividends declared ($0.36, $0.36 and 0.40 per share at 2011, 2012 and 2013 respectively) | (15,611) |  |  | (15,611) |  |
Share-based compensation expense | 3,970 |  | 3,970 |  |  |
Repurchase of common shares | (5,675) |  |  |  |  | (5,675)
Delivery of treasury shares |  |  |  |  |  |
RSUs | (337) |  | (1,433) |  |  | 1,096
401 (k) plans | 2,446 |  | 234 |  |  | 2,212
Employee stock options exercised - net | 1,697 |  | (2,387) |  |  | 4,084
Ending Balance at Dec. 31, 2012 | 539,679 | 544 | 52,492 | 819,593 | (163,966) | (168,984)
Net income | 67,158 |  |  | 67,158 |  |
Other comprehensive income (loss) | 88,609 |  |  |  | 88,609 |
Comprehensive income (loss) | 155,767 |  |  |  |  |
Tax effect on exercise of stock awards | 1,451 |  | 1,451 |  |  |
Cash dividends declared ($0.36, $0.36 and 0.40 per share at 2011, 2012 and 2013 respectively) | (17,422) |  |  | (17,422) |  |
Share-based compensation expense | 4,473 |  | 4,473 |  |  |
Delivery of treasury shares |  |  |  |  |  |
RSUs | (529) |  | (1,763) |  |  | 1,234
401 (k) plans | 2,890 |  | 1,099 |  |  | 1,791
Employee stock options exercised - net | (1,833) |  | (3,812) |  |  | 1,979
Ending Balance at Dec. 31, 2013 | $ 684,476 | $ 544 | $ 53,940 | $ 869,329 | $ (75,357) | $ (163,980)

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