CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) - shares |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
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| CONSOLIDATED STATEMENTS OF EQUITY | |||
| Issuance of restricted share awards under long-term equity incentive plan (in shares) | 90,760 | 158,900 | 756,590 |
| Repurchase of shares of common stock pursuant to Share Repurchase Program (in shares) | 252,946 | 858,393 | 673,626 |
| Repurchase of shares of common stock pursuant to the settlement of Accelerated Share Repurchase Program (in shares) | 13,657 | ||
| Repurchase of shares of common stock pursuant to Accelerated Share Repurchase Program (in shares) | 796,925 | 1,507,443 | |
| Number of shares of common stock withheld to satisfy statutory withholding requirements (in shares) | 98,056 | 123,101 | 66,196 |
| X | ||||||||||
- Definition Number of shares that have been repurchased during the period pursuant to the Accelerated Share Repurchase Program and are being held in treasury. No definition available.
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| X | ||||||||||
- Definition Number of shares that have been repurchased during the period pursuant to the settlement of a Accelerated Share Repurchase Program. No definition available.
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| X | ||||||||||
- Definition Number of shares that have been repurchased during the period pursuant to the Share Repurchase Program and are being held in treasury. No definition available.
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| X | ||||||||||
- Definition For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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