Fair Value Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Assets:
Foreign exchange forward contracts	$ 0.0	$ 2.8
Liabilities, Fair Value Disclosure [Abstract]
Foreign exchange forward contracts	2.7	6.0
Fair Value
Assets:
Available-for-sale securities		4.2
Foreign exchange forward contracts		2.8
Total		7.0
Liabilities, Fair Value Disclosure [Abstract]
Foreign exchange forward contracts	2.7	6.0
Total	2.7	6.0
Fair Value | Level 1
Assets:
Available-for-sale securities		4.2
Foreign exchange forward contracts		0.0
Total		4.2
Liabilities, Fair Value Disclosure [Abstract]
Foreign exchange forward contracts	0.0	0.0
Total	0.0	0.0
Fair Value | Level 2
Assets:
Available-for-sale securities		0.0
Foreign exchange forward contracts		2.8
Total		2.8
Liabilities, Fair Value Disclosure [Abstract]
Foreign exchange forward contracts	2.7	6.0
Total	$ 2.7	$ 6.0