Operating Lease Information (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating cash outflows from operating leases		$ 23.4	$ 22.6
Right-of-use assets obtained in exchange for new operating lease liabilities		$ 16.9	$ 28.0
Weighted average remaining lease term (in years)		6 years	6 years 4 months 24 days
Weighted average discount rate(a)	[1]	2.50%	2.60%

[1] We use a discount rate for each lease based on an estimated incremental borrowing rate over a similar term as the lease, as the discount rate implicit in each lease cannot be readily determined