Income Taxes - Narrative (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020 USD ($) subsidiary
Income Tax Disclosure [Abstract]
Net tax benefit from CARES Act				$ 7.6
Current tax benefit from CARES Act				18.9
Deferred tax expense from CARES Act				$ 11.3
Number of foreign subsidiaries | subsidiary				2
Net deferred tax benefit from foreign subsidiary restructuring				$ 8.3
Effective tax rate	5.30%	17.60%	7.50%	9777.00%