Goodwill and Intangible Assets - Schedule of Changes in Goodwill (Detail) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Goodwill And Intangible Assets Disclosure [Abstract] | ||
| Balance | $ 1,973.5 | $ 1,927.4 |
| Acquisitions | 42.7 | 25.7 |
| Translation | 15.6 | 20.4 |
| Balance | 2,031.8 | $ 1,973.5 |
| Tax-deductible goodwill | $ 23.0 | |
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- Definition Business acquisition purchase price allocation goodwill expected tax deductible amount net of tax. No definition available.
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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