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Stockholders' Equity (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | May 31, 2019
Equity [Abstract] |  |  |  |
Share-based compensation | $ 32.3 | $ 39.3 | $ 31.5 |
Stock Repurchase Program, Authorized Amount |  |  |  | $ 250.0

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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
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