Fair Value on a Nonrecurring Basis (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Fair value assets and liabilities measured on nonrecurring basis
Long-term debt, fair value	$ 2,552.3	$ 3,337.4
Discount rate ceiling contingent acquisition obligations	6.00%
Level 1
Fair value assets and liabilities measured on nonrecurring basis
Long-term debt, fair value	$ 0.0	0.0
Level 2
Fair value assets and liabilities measured on nonrecurring basis
Long-term debt, fair value	2,551.5	3,295.6
Level 3
Fair value assets and liabilities measured on nonrecurring basis
Long-term debt, fair value	$ 0.8	$ 41.8