Revenue Revenue - Contract Assets and Liabilities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Revenue from Contract with Customer [Abstract]
Current contract assets, net	$ 20.6	$ 19.1
Current Contract Assets, Percentage Change from Prior Period	7.90%
Contract with Customer, Asset, Net, Noncurrent	$ 0.3	0.0
Contract with Customer, Liability, Current	$ (46.6)	(56.2)
Current Contract Liabilities, Percentage Change from Prior Period	(17.10%)
Contract with Customer, Liability, Noncurrent	$ 4.4	0.1
Net Contract Liabilities	$ (30.1)	$ (37.2)
Net Contract Liability, Percentage Change from Prior Period	(19.10%)