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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | Earnings Reinvested in the Business [Member] | Treasury Stock [Member] | Accumulated Other Comprehensive (Loss) Income [Member] | Total
--- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2014 | $ 5,396 | $ 110,969 | $ 1,243,627 | $ (227,929) | $ (85,128) |
Beginning Balance (in shares) at Dec. 31, 2014 |  |  |  | 6,529,891 |  |
Net earnings |  |  | 106,785 |  |  | $ 106,785
Other comprehensive income |  |  |  |  | (84,934) |
Cash dividends paid |  |  | (48,110) |  |  |
Share-based compensation |  | 1,598 |  |  |  |
Stock options exercised |  | (356) |  | $ 788 |  |
Stock options exercised (in shares) |  |  |  | (21,000) |  |
Non-vested stock issued upon vesting |  | (3,080) |  | $ 3,080 |  |
Non-vested stock issued upon vesting (in shares) |  |  |  | (74,300) |  |
Benefit plans |  | 416 |  | $ 546 |  |
Benefit plans (in shares) |  |  |  | (15,165) |  |
Purchase of treasury stock |  |  |  | $ (178,037) |  |
Purchase of treasury stock (in shares) |  |  |  | 2,733,301 |  |
Other |  | 427 |  | $ (931) |  |
Other (in shares) |  |  |  | 22,116 |  |
Ending balance at Dec. 31, 2015 | 5,396 | 109,974 | 1,302,302 | $ (402,483) | (170,062) |
Ending Balance (in shares) at Dec. 31, 2015 |  |  |  | 9,174,843 |  |
Net earnings |  |  | 126,256 |  |  | 126,256
Other comprehensive income |  |  |  |  | (43,403) |
Cash dividends paid |  |  | (49,635) |  |  |
Share-based compensation |  | 7,709 |  |  |  |
Stock options exercised |  | (650) |  | $ 1,354 |  |
Stock options exercised (in shares) |  |  |  | (30,500) |  |
Non-vested stock issued upon vesting |  | (7,769) |  | $ 7,769 |  |
Non-vested stock issued upon vesting (in shares) |  |  |  | (172,147) |  |
Benefit plans |  | 229 |  | $ 698 |  |
Benefit plans (in shares) |  |  |  | (15,839) |  |
Purchase of treasury stock |  |  |  | $ (47,534) |  |
Purchase of treasury stock (in shares) |  |  |  | 702,698 |  |
Other |  | (1,807) |  | $ (2,603) |  |
Other (in shares) |  |  |  | 57,449 |  |
Ending balance at Dec. 31, 2016 | 5,396 | 107,686 | 1,378,923 | $ (442,799) | (213,465) | 835,741
Ending Balance (in shares) at Dec. 31, 2016 |  |  |  | 9,716,504 |  |
Net earnings |  |  | 89,600 |  |  | 89,600
Other comprehensive income |  |  |  |  | 64,131 |
Cash dividends paid |  |  | (54,038) |  |  |
Share-based compensation |  | 5,855 |  |  |  |
Stock options exercised |  | (202) |  | $ 499 |  |
Stock options exercised (in shares) |  |  |  | (10,667) |  |
Non-vested stock issued upon vesting |  | (5,478) |  | $ 5,478 |  |
Non-vested stock issued upon vesting (in shares) |  |  |  | (114,393) |  |
Benefit plans |  | 445 |  | $ 596 |  |
Benefit plans (in shares) |  |  |  | (12,999) |  |
Purchase of treasury stock |  |  |  | $ (87,217) |  |
Purchase of treasury stock (in shares) |  |  |  | 1,139,734 |  |
Other |  | (1,130) |  | $ (1,979) |  |
Other (in shares) |  |  |  | 41,112 |  |
Ending balance at Dec. 31, 2017 | $ 5,396 | $ 107,176 | $ 1,414,485 | $ (525,422) | $ (149,334) | $ 852,301
Ending Balance (in shares) at Dec. 31, 2017 |  |  |  | 10,759,291 |  |

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