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Unaudited Condensed Consolidated Statement of Equity Statement - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Treasury Stock | Capital in Excess of Par Value | Accumulated Deficit | Accumulated Other Comprehensive Income (Loss) | Noncontrolling Interest
--- | --- | --- | --- | --- | --- | --- | ---
Balance at beginning of period at Dec. 31, 2013 | $ 1,424,378 | $ 212,327 | $ (10) | $ 1,259,348 | $ (145,876) | $ 88,441 | $ 10,148
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward] |  |  |  |  |  |  |
Comprehensive income | 80,239 | 0 | 0 | 0 | 84,675 | (10,618) | $ 6,182
Dividends declared on common stock | (53,026) | 0 | 0 | (53,026) | 0 | 0 |
Employee share-based compensation earned | 9,742 | 0 | 0 | 9,742 | 0 | 0 | $ 0
Stock option exercises | 28,370 | 2,855 | 0 | 25,515 | 0 | 0 | 0
Restricted stock awards, net of forfeitures | 0 | 352 | 0 | (352) | 0 | 0 | 0
Purchase of Company common stock | $ (130,923) | $ 0 | $ (6,386) | $ (37,653) | $ (86,884) | $ 0 | $ 0
Cancellation of Company Stock | 0 | (42) | (42) | 0 | 0 | 0 | 0
Tax Benefits Related to Share-Based Awards | $ 20,727 | $ 0 | $ 0 | $ 20,727 | $ 0 | $ 0 | $ 0
Purchase of noncontrolling interest | (15,000) | 0 | 0 | (7,440) | 0 | 0 | (7,560)
Noncontrolling interest payment | (135) | 0 | 0 | 0 | 0 | 0 | (135)
Other | 1,564 | 93 | 0 | 1,471 | 0 | 0 | 0
Balance at end of period at Sep. 30, 2014 | 1,365,936 | 215,585 | (6,354) | 1,218,332 | (148,085) | 77,823 | 8,635
Balance at beginning of period at Dec. 31, 2014 | 1,377,378 | 205,458 | (591) | 1,186,304 | (81,859) | 59,414 | 8,652
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward] |  |  |  |  |  |  |
Comprehensive income | 119,543 | 0 | 0 | 0 | 161,418 | (42,913) | 1,038
Dividends declared on common stock | (64,068) | 0 | 0 | (64,068) | 0 | 0 | 0
Employee share-based compensation earned | 10,717 | 0 | 0 | 10,717 | 0 | 0 | 0
Stock option exercises | 30,491 | 2,951 | 0 | 27,540 | 0 | 0 | 0
Restricted stock awards, net of forfeitures | 0 | 259 | (3) | (256) | 0 | 0 | 0
Purchase of Company common stock | (305,488) | $ 0 | (11,010) | (63,428) | (231,050) | 0 | 0
Tax Benefits Related to Share-Based Awards | 17,266 |  | 0 | 17,266 | 0 | 0 | 0
Purchase of noncontrolling interest | 0 |  |  |  |  |  |
Noncontrolling interest payment | (60) | $ 0 | 0 | 0 | 0 | 0 | (60)
Other | 1,725 | 62 | 0 | 1,663 | 0 | 0 | 0
Balance at end of period at Sep. 30, 2015 | $ 1,187,504 | $ 208,730 | $ (11,604) | $ 1,115,738 | $ (151,491) | $ 16,501 | $ 9,630

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