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Consolidated Statement of Equity - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Treasury Stock | Capital in Excess of Par Value | Accumulated Deficit(1) | Accumulated Other Comprehensive Income | Noncontrolling Interest
--- | --- | --- | --- | --- | --- | --- | ---
Balance at beginning of period at Dec. 31, 2013 | $ 1,480,228 | $ 212,327 | $ (10) | $ 1,259,348 | $ (90,026) | $ 88,441 | $ 10,148
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward] |  |  |  |  |  |  |
Comprehensive income | 149,824 | 0 | 0 | 0 | 172,469 | (29,027) | 6,382
Dividends declared on common stock | (71,517) | 0 | 0 | (71,517) | 0 | 0 | 0
Stock option exercises | 33,137 | 3,642 | 0 | 29,495 | 0 | 0 | 0
Restricted stock awards, net of forfeitures | 0 | 352 | 0 | (352) | 0 | 0 | 0
Employee share-based compensation earned | 13,127 |  | 0 |  |  |  |
Purchase of Company common stock | (243,635) | 0 |  | 13,127 | 0 | 0 | 0
Tax benefits related to stock-based awards | 30,123 | 0 | 0 | 30,123 | 0 | 0 | 0
Purchase of noncontrolling interest | (15,000) | 0 | (11,537) | (67,796) | (164,302) | 0 | 0
Acquisition |  | 0 | 0 | (7,441) | 0 | 0 | (7,559)
Noncontrolling interest payments | $ (319) | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ (319)
Retirement of treasury shares | 0 | (10,956) | (10,956) | 0 | 0 | 0 | 0
Other | $ 1,410 | $ 93 | $ 0 | $ 1,317 | $ 0 | $ 0 | $ 0
Balance at end 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 | 181,651 | 0 | 0 | 0 | 233,772 | (53,250) | 1,129
Dividends declared on common stock | (87,570) | 0 | 0 | (87,570) | 0 | 0 | 0
Stock option exercises | 31,931 | 3,054 | 0 | 28,877 | 0 | 0 | 0
Restricted stock awards, net of forfeitures | 0 | 254 | (9) | (245) | 0 | 0 | 0
Employee share-based compensation earned | 13,843 | 0 | 0 | 13,843 | 0 | 0 | 0
Purchase of Company common stock | (345,383) | 0 | (12,455) | (71,664) | (261,264) | 0 | 0
Tax benefits related to stock-based awards | 18,123 | 0 | 0 | 18,123 | 0 | 0 | 0
Purchase of noncontrolling interest | (2,075) | 0 | 0 | 2,775 | 0 | 0 | (4,850)
Noncontrolling interest payments | $ (222) | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ (222)
Retirement of treasury shares | 0 | (7,969) | (7,969) | 0 | 0 | 0 | 0
Other | $ 1,725 | $ 62 | $ 0 | $ 1,663 | $ 0 | $ 0 | $ 0
Balance at end of period at Dec. 31, 2015 | 1,189,401 | 200,859 | (5,086) | 1,092,106 | (109,351) | 6,164 | 4,709
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward] |  |  |  |  |  |  |
Comprehensive income | 187,636 | 0 | 0 | 0 | 177,038 | 10,328 | 270
Dividends declared on common stock | (98,418) | 0 | 0 | (98,418) | 0 | 0 | 0
Stock option exercises | 17,662 | 2,108 | 0 | 15,554 | 0 | 0 | 0
Restricted stock awards, net of forfeitures | 0 | 241 | (1) | (240) | 0 | 0 | 0
Employee share-based compensation earned | 14,056 | 0 | 0 | 14,056 | 0 | 0 | 0
Purchase of Company common stock | (227,928) | 0 | (8,812) | (48,042) | (171,074) | 0 | 0
Tax benefits related to stock-based awards | 12,685 | 0 | 0 | 12,685 | 0 | 0 | 0
Purchase of noncontrolling interest | (1,961) |  |  | (364) |  |  | (2,325)
Noncontrolling interest payments | $ (120) | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 120
Retirement of treasury shares | 0 | (7,901) | (7,901) | 0 | 0 | 0 | 0
Other | $ 2,234 | $ 96 | $ 0 | $ 2,138 | $ 0 | $ 0 | $ 0
Balance at end of period at Dec. 31, 2016 | $ 1,095,247 | $ 195,403 | $ (5,998) | $ 990,203 | $ (103,387) | $ 16,492 | $ 2,534

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