Income Taxes (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Oct. 01, 2020	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, Percent	0.15%	37.30%
Valuation Allowance [Line Items]
Deferred Income Tax Liabilities, Net	$ 26.0		$ 13.0
Domestic Tax Authority
Valuation Allowance [Line Items]
Deferred Tax Assets, Valuation Allowance	272.5
Deferred Income Tax Liabilities, Net	13.7
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	122.5
Foreign Tax Authority
Valuation Allowance [Line Items]
Deferred Tax Assets, Valuation Allowance	261.5
Deferred Income Tax Liabilities, Net	10.9
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ 70.7