Property, Equipment and Capitalized Software - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Abstract]
Depreciation expense	$ 28.4	$ 37.4	$ 44.7
Capitalized software development costs	35.8	37.0	32.5
Amortization expense on capitalized software development costs	$ 39.4	$ 29.3	$ 21.0