Leases - Components of Lease Expense and Other Information (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Leases [Abstract]
Operating lease expense		$ 35.6	$ 32.1	$ 106.9	$ 96.1
Short-term lease expense		1.1	1.7	3.7	4.3
Other lease expense	[1]	2.5	1.3	10.4	10.3
Total lease expense		$ 39.2	$ 35.1	121.0	110.7
Supplemental Cash Flow Information
Cash paid for amounts included in the measurement of operating lease liabilities				102.6	93.4
Operating ROU assets obtained in exchange for lease obligations				$ 107.2	$ 37.5

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