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Income Taxes - Additional Information (Details) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Aug. 31, 2019 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Income Tax Holiday [Line Items] |  |  |  |  |
Valuation allowance |  | $ (104.6) | $ (81.4) |  |
Deferred tax remeasurement due to Swiss Tax Reform | $ 51.3 | (66.4) | 0.0 | $ (51.3) |
Gross interest related to unrecognized tax benefits accrued |  | 14.9 | 11.0 | 2.9 |
Total gross unrecognized tax benefits |  | 222.5 | 176.3 | $ 96.7 | $ 78.8
Net increase in gross unrecognized tax benefits |  |  | 39.3 |  |
Interest and penalties related to unrecognized tax benefits accrued |  |  | $ 13.6 |  |
Swiss Federal Tax Administration (FTA) |  |  |  |  |
Income Tax Holiday [Line Items] |  |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Foreign |  | 23.9 |  |  |
State and Local Jurisdiction |  |  |  |  |
Income Tax Holiday [Line Items] |  |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Foreign |  | $ 207.3 |  |  |

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32621-109319 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32632-109319 + Details
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