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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands | Common Stock | Capital in Excess of Par Value | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Total
--- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2012 | $ 22,014 |  | $ 891,464 | $ (14,246) | $ 899,232
Balance (in shares) at Dec. 31, 2012 | 220,144,000 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Stock issued for stock incentive plans, net | $ 70 | $ 8,107 |  |  | 8,177
Stock issued for stock incentive plans, net (in shares) | 699,000 |  |  |  |
Stock purchased and retired | $ (185) | (11,285) | (13,652) |  | (25,122)
Stock purchased and retired (in shares) | (1,857,000) |  |  |  |
Net (loss) income |  |  | 166,895 |  | 166,895
Pension adjustment, net of taxes |  |  |  | 4,928 | 4,928
Foreign currency translation |  |  |  | (778) | (778)
Unrealized gain (loss) on securities, net of taxes and reclassification adjustment |  |  |  | (19) | (19)
Dividends declared |  |  | (87,789) |  | (87,789)
Excess tax benefits for share- based payments |  | 3,178 |  |  | 3,178
Balance at Dec. 31, 2013 | $ 21,899 |  | 956,918 | (10,115) | 968,702
Balance (in shares) at Dec. 31, 2013 | 218,986,000 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Stock issued for stock incentive plans, net | $ 57 | 9,017 |  |  | 9,074
Stock issued for stock incentive plans, net (in shares) | 569,000 |  |  |  |
Stock purchased and retired | $ (302) | (13,353) | (35,942) |  | (49,597)
Stock purchased and retired (in shares) | (3,016,000) |  |  |  |
Net (loss) income |  |  | 245,193 |  | 245,193
Pension adjustment, net of taxes |  |  |  | (6,486) | (6,486)
Foreign currency translation |  |  |  | (1,124) | (1,124)
Unrealized gain (loss) on securities, net of taxes and reclassification adjustment |  |  |  | (108) | (108)
Dividends declared |  |  | (91,608) |  | (91,608)
Excess tax benefits for share- based payments |  | 4,336 |  |  | 4,336
Balance at Dec. 31, 2014 | $ 21,654 |  | 1,074,561 | (17,833) | $ 1,078,382
Balance (in shares) at Dec. 31, 2014 | 216,539,000 |  |  |  | 216,539,015
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Stock issued for stock incentive plans, net | $ 79 | 9,802 |  |  | $ 9,881
Stock issued for stock incentive plans, net (in shares) | 791,000 |  |  |  |
Stock purchased and retired | $ (34) | (11,212) | 7,153 |  | (4,093)
Stock purchased and retired (in shares) | (339,000) |  |  |  |
Net (loss) income |  |  | (99,561) |  | (99,561)
Pension adjustment, net of taxes |  |  |  | 1,531 | 1,531
Foreign currency translation |  |  |  | (1,801) | (1,801)
Unrealized gain (loss) on securities, net of taxes and reclassification adjustment |  |  |  | 134 | 134
Dividends declared |  |  | (33,602) |  | (33,602)
Excess tax benefits for share- based payments |  | $ 1,410 |  |  | 1,410
Balance at Dec. 31, 2015 | $ 21,699 |  | $ 948,551 | $ (17,969) | $ 952,281
Balance (in shares) at Dec. 31, 2015 | 216,991,000 |  |  |  | 216,991,357

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