Revenue - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Unearned revenue	$ 4.7		$ 21.3
Revenue recognized that was in contract liabilities at the beginning of the period	$ 49.2	$ 53.3
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-04-01 | Maximum
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Remaining performance obligation expected timing of satisfaction	1 year