Revenue - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Business incentive plan assets [Line Items]
Business Incentive Plan Assets	$ 191.2	$ 190.8
Capitalized Contract Cost, Amortization	66.9	65.5	$ 65.0
Upfront Incentive Payment	79.0	56.0
Contract with Customer, Asset, Net	37.5	47.2
Other Assets [Member]
Business incentive plan assets [Line Items]
Upfront Incentive Payment	$ 71.0	$ 49.8