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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 |  | 121,453 |  |  |  | 121,220 |  | 233
Other comprehensive income |  | 1,568 |  |  | 1,568 |  |  |
Common stock issued under share-based compensation plans | [2] | 3,619 | 4 | 3,615 |  |  |  |
Tax withholding for common stock issued under share-based compensation plans |  | (3,866) |  | (3,866) |  |  |  |
Common stock issued under employee stock purchase plan |  | 3,147 |  | 3,147 |  |  |  |
Common stock dividends |  | (15,078) |  |  |  | (15,234) |  |
Common stock dividends, accrued dividend shares |  |  |  | 156 |  |  |  |
Repurchase of common stock |  | (22,972) | (5) | (22,967) |  |  |  |
Distributions to noncontrolling interests |  | (9,750) |  |  |  |  |  | (9,750)
Share-based compensation expense |  | 6,661 |  | 6,661 |  |  |  |
Balance at Sep. 30, 2015 |  | 1,514,169 | 635 | 214,631 | (81,629) | 1,386,977 | (10,302) | 3,857
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 |  | 141,266 |  |  |  | 141,259 |  | 7
Other comprehensive income |  | 337 |  |  | 337 |  |  |
Common stock issued under share-based compensation plans | [3] | 1,492 | 3 | 498 |  | 991 |  |
Tax withholding for common stock issued under share-based compensation plans |  | (4,166) |  | (4,166) |  |  |  |
Common stock issued under employee stock purchase plan |  | 3,583 |  | 3,583 |  |  |  |
Common stock dividends |  | (14,598) |  |  |  | (14,741) |  |
Common stock dividends, accrued dividend shares |  |  |  | 143 |  |  |  |
Repurchase of common stock |  | (29,028) | (6) | (29,022) |  |  |  |
Distributions to noncontrolling interests |  | (2,050) |  |  |  |  |  | (2,050)
Share-based compensation expense |  | 7,000 |  | 7,000 |  |  |  |
Balance at Sep. 30, 2016 |  | $ 1,583,892 | $ 614 | $ 108,405 | $ (76,616) | $ 1,560,489 | $ (10,302) | $ 1,302
[1] | Represents cumulative foreign currency translation adjustments and post retirement liability adjustments.
[2] | Includes the tax benefit associated with share-based compensation of $1.2 million for the nine months ended September 30, 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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- Definition This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation". + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 35 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=66904339&loc=d3e4534-113899 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 20 -Section 55 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=65896087&loc=d3e11149-113907 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 20 -Section 55 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=65896087&loc=d3e11178-113907 + Details
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