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Condensed Consolidated Statements Of Equity - USD ($) $ in Thousands | Total | Common Stock [Member] | Capital Surplus [Member] | Accumulated Other Comprehensive (Loss) Income [Member] | [1] | Retained Earnings [Member] | Treasury Stock [Member] | Noncontrolling Interests [Member]
--- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2014 |  | $ 1,429,387 | $ 636 | $ 227,885 | $ (83,197) | $ 1,280,991 | $ (10,302) | $ 13,374
Net income including noncontrolling interests |  | 32,710 |  |  |  | 32,849 |  | (139)
Other comprehensive income |  | 723 |  |  | 723 |  |  |
Common stock issued under share-based compensation plans | [2] | 2,282 | 2 | 2,280 |  |  |  |
Tax withholding for common stock issued under share-based compensation plans |  | (1,959) |  | (1,959) |  |  |  |
Common stock issued under employee stock purchase plan |  | 1,018 |  | 1,018 |  |  |  |
Common stock dividends |  | (5,039) |  |  |  | (5,098) |  |
Common stock dividends, accrued dividend shares |  |  |  | 59 |  |  |  |
Repurchase of common stock |  | (21,148) | (5) | (21,143) |  |  |  |
Distributions to noncontrolling interests |  | (7,500) |  |  |  |  |  | (7,500)
Share-based compensation expense |  | 3,000 |  | 3,000 |  |  |  |
Balance at Mar. 31, 2015 |  | 1,433,474 | 633 | 211,140 | (82,474) | 1,308,742 | (10,302) | 5,735
Balance at Dec. 31, 2015 |  | 1,480,056 | 617 | 130,369 | (76,953) | 1,432,980 | (10,302) | 3,345
Net income including noncontrolling interests |  | 34,354 |  |  |  | 34,348 |  | 6
Other comprehensive income |  | 430 |  |  | 430 |  |  |
Common stock issued under share-based compensation plans | [3] | 991 | 2 | (2) |  | 991 |  |
Tax withholding for common stock issued under share-based compensation plans |  | (4,097) |  | (4,097) |  |  |  |
Common stock issued under employee stock purchase plan |  | 1,188 |  | 1,188 |  |  |  |
Common stock dividends |  | (4,879) |  |  |  | (4,939) |  |
Common stock dividends, accrued dividend shares |  |  |  | 60 |  |  |  |
Repurchase of common stock |  | (26,076) | (6) | (26,070) |  |  |  |
Distributions to noncontrolling interests |  | (600) |  |  |  |  |  | (600)
Share-based compensation expense |  | 3,083 |  | 3,083 |  |  |  |
Balance at Mar. 31, 2016 |  | $ 1,484,450 | $ 613 | $ 104,531 | $ (76,523) | $ 1,463,380 | $ (10,302) | $ 2,751
[1] | Represents cumulative foreign currency translation adjustments and post retirement liability adjustments.
[2] | Includes the tax benefit associated with share-based compensation of $0.9 million for the three months ended March 31, 2015.
[3] | Includes a $1.0 million adjustment to retained earnings to recognize net operating loss carryforwards attributable to excess tax benefits on stock compensation upon the adoption of Accounting Standards Update No. 2016-09.

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