Revenue Revenue - Textuals (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Maximum Percentage Of Revenue For Which Individual Customer Accounts For	9.80%	9.10%	9.80%
Service and Repair Revenue, Percentage of Total	3.00%	4.00%	4.00%
Net Contract Liability, Change from Prior Year	$ 7.1
Net Contract Liability, Percentage Change from Prior Period	(19.10%)
Contract with Customer, Liability, Revenue Recognized	$ 48.5
Revenue, Remaining Performance Obligation, Amount	891.3
Capitalized Contract Cost, Net	5.5	$ 6.5
Capitalized Contract Cost, Amortization	0.9	$ 1.6
Minimum [Member]
Revenue, Remaining Performance Obligation, Amount	770.0
Maximum [Member]
Revenue, Remaining Performance Obligation, Amount	$ 790.0