Leases - Components of Lease Expense and Other Information (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Leases [Abstract]
Operating lease expense		$ 32.1	$ 35.1	$ 96.1	$ 105.5
Short-term lease expense		1.7	1.4	4.3	4.5
Other lease expense	[1]	1.3	4.6	10.3	13.6
Total lease expense		$ 35.1	$ 41.1	110.7	123.6
Supplemental Cash Flow Information
Cash paid for amounts included in the measurement of operating lease liabilities				93.4	104.7
Operating ROU assets obtained in exchange for lease obligations				$ 37.5	$ 35.9

[1] Other lease expense includes variable lease expense and sublease income.