Summary of Significant Accounting Policies (Details) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2020 USD ($) shares	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Cash and Cash Equivalents [Abstract]
Restricted cash and cash equivalents		$ 3.1	$ 3.4
Goodwill and Indefinite-Lived Intangible Assets [Abstract]
Fair value percentage of reporting units using income approach		75.00%
Fair value percentage of reporting units using market approach		25.00%
Guarantees and Product Warranties [Abstract]
Warranty period after time of sale		12 months
Income Taxes [Abstract]
Change in tax rate, income tax benefit	$ 96.5				$ 95.3
Change in tax rate, deferred income tax benefit, provisional					89.6
Change in tax rate, deferred income tax benefit				$ 74.5
Decrease in tax rate, income tax benefit				(15.1)
Benefit relating to the reduction of the ASC 740-30 liability				72.5	69.0
Adjustment, provisional transition tax obligation				3.5
Provisional one-time transition tax					$ 63.3
Provisional one-time transition tax				50.5
Adjustment, provisional one-time transition tax	$ 12.8			12.8
Impact of income tax rate change				$ 1.2
Proportion of change in overall tax rate due to tax rate change (as a percent)				(0.003)
Income tax expense under the Tax Act		$ 5.3
Research and Development [Abstract]
Research and development expense		$ 71.0	$ 25.0	$ 24.0
Buildings | Minimum
Cash and Cash Equivalents [Abstract]
Estimated useful lives of property, plant and equipment		10 years
Buildings | Maximum
Cash and Cash Equivalents [Abstract]
Estimated useful lives of property, plant and equipment		30 years
Machinery and equipment | Minimum
Cash and Cash Equivalents [Abstract]
Estimated useful lives of property, plant and equipment		7 years
Machinery and equipment | Maximum
Cash and Cash Equivalents [Abstract]
Estimated useful lives of property, plant and equipment		10 years
Office furniture and equipment | Minimum
Cash and Cash Equivalents [Abstract]
Estimated useful lives of property, plant and equipment		3 years
Office furniture and equipment | Maximum
Cash and Cash Equivalents [Abstract]
Estimated useful lives of property, plant and equipment		10 years
Common Stock | KKR
Shares Granted or Issued, Share-based Payment Arrangement [Abstract]
Number of shares owned by non-controlling owners (in shares) | shares		44,788,635
Ownership interest by non-controlling owners (as a percent)		11.00%