Unaudited Quarterly Financial Information (Details) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2020 |
Jun. 30, 2020 |
Mar. 31, 2020 |
Dec. 31, 2019 |
Sep. 30, 2019 |
Jun. 30, 2019 |
Mar. 31, 2019 |
Dec. 31, 2018 |
Sep. 30, 2020 |
Sep. 30, 2019 |
Sep. 30, 2018 |
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| Quarterly Financial Information Disclosure [Abstract] | |||||||||||
| Net revenue | $ 693.7 | $ 607.5 | $ 648.9 | $ 566.9 | $ 485.8 | $ 446.6 | $ 464.6 | $ 410.3 | $ 2,517.0 | $ 1,807.3 | $ 1,770.1 |
| Gross profit | 240.5 | 207.3 | 193.7 | 171.8 | 166.7 | 148.4 | 160.9 | 147.0 | 813.3 | 623.0 | 642.1 |
| Net income | $ (7.1) | $ 24.0 | $ (74.0) | $ (3.1) | $ 24.7 | $ 30.4 | $ 38.0 | $ 28.3 | $ (60.1) | $ 121.4 | $ 76.6 |
| (Loss) earnings per share-basic (in dollars per share) | $ (0.09) | $ 0.32 | $ (0.99) | $ (0.05) | $ 0.39 | $ 0.48 | $ 0.60 | $ 0.45 | $ (0.82) | $ 1.93 | $ 1.21 |
| (Loss) earnings per share-diluted (in dollars per share) | $ (0.09) | $ 0.32 | $ (0.99) | $ (0.05) | $ 0.39 | $ 0.48 | $ 0.60 | $ 0.45 | $ (0.82) | $ 1.92 | $ 1.20 |
| Goodwill, impairment loss | $ 72.3 | ||||||||||
| Impairment charges | $ 82.5 | $ 144.8 | $ 0.0 | $ 63.4 | |||||||
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill. No definition available.
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising 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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- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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