Treasury Stock (Details) - USD ($) shares in Thousands, $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Equity [Abstract] | |||
| Payments for Repurchase of Common Stock | $ 118.3 | $ 400.0 | $ 75.0 |
| Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased | 116,500 | ||
| Treasury Stock Activity [Roll Forward] | |||
| Balance at January 1 | 22,969 | 15,781 | 15,001 |
| Compensation Plans and Other | (263) | (542) | (460) |
| Share Repurchases | 1,957 | 7,730 | 1,240 |
| Balance at December 31 | 24,663 | 22,969 | 15,781 |
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period No definition available.
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- References No definition available.
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- Definition The cash outflow to reacquire common stock during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. No definition available.
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- Definition Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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