Employee Benefit Plans - Accumulated Benefit Obligations in Excess of Plan Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]
Document Fiscal Year Focus	2020
Foreign Plan [Member]
Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Abstract]
Projected benefit obligation	$ 74.5	$ 39.6
Accumulated benefit obligation	43.0	37.1
Fair value of plan assets	34.8	31.0
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets	$ 65.7	$ 32.9