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Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands | 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, 2014 | $ 649,109 | $ 544 | $ 54,342 | $ 919,468 | $ (154,870) | $ (170,375)
Net income | 64,575 |  |  | 64,575 |  |
Other comprehensive income (loss) | (35,616) |  |  |  | (35,616) |
Comprehensive income | 28,959 |  |  |  |  |
Tax effect on exercise of stock awards | 843 |  | 843 |  |  |
Cash dividends declared | (20,900) |  |  | (20,900) |  |
Share-based compensation expense | 4,403 |  | 4,403 |  |  |
Delivery of treasury shares |  |  |  |  |  |
RSUs and PSAs | (1,976) |  | (5,078) |  |  | 3,102
401 (k) plans | 2,848 |  | 838 |  |  | 2,010
Employee stock options exercised — net | (39) |  | (436) |  |  | 397
Ending Balance at Dec. 31, 2015 | 663,247 | 544 | 54,912 | 963,143 | (190,486) | (164,866)
Net income | 21,554 |  |  | 21,554 |  |
Other comprehensive income (loss) | (14,120) |  |  |  | (14,120) |
Comprehensive income | 7,434 |  |  |  |  |
Tax effect on exercise of stock awards | 58 |  | 58 |  |  |
Cash dividends declared | (21,813) |  |  | (21,813) |  |
Share-based compensation expense | 5,889 |  | 5,889 |  |  |
Delivery of treasury shares |  |  |  |  |  |
RSUs and PSAs | (751) |  | (2,375) |  |  | 1,624
Employee stock options exercised — net | (238) |  | (567) |  |  | 329
Ending Balance at Dec. 31, 2016 | 653,826 | 544 | 57,917 | 962,884 | (204,606) | (162,913)
Previously unrecognized excess tax benefit onexercise of stock awards | 317 |  |  | 317 |  |
Net income | 7,914 |  |  | 7,914 |  |
Other comprehensive income (loss) | 63,931 |  |  |  | 63,931 |
Comprehensive income | 71,845 |  |  |  |  |
Cash dividends declared | (22,704) |  |  | (22,704) |  |
Share-based compensation expense | 6,214 |  | 6,214 |  |  |
Delivery of treasury shares |  |  |  |  |  |
RSUs and PSAs | (114) |  | (535) |  |  | 421
Employee stock options exercised — net | (456) |  | (1,002) |  |  | 546
Ending Balance at Dec. 31, 2017 | $ 708,928 | $ 544 | $ 62,594 | $ 948,411 | $ (140,675) | $ (161,946)

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