Leases Lease Cost (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Lease, Cost [Abstract]
Operating lease expense	$ 26.9	$ 28.1	$ 27.4
Short-term lease expense	5.4	6.4	2.0
Variable lease expense	5.1	5.2	4.6
Total Lease, Expense	$ 37.4	$ 39.7	$ 34.0