Leases - Components of Lease Expense and Other Information (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Operating lease expense		$ 137.4	$ 132.4	$ 140.8
Short-term lease expense		4.9	5.2	6.0
Other lease expense	[1]	13.1	11.8	20.4
Total lease expense		155.4	149.4	167.2
Supplemental Cash Flow Information
Cash paid for amounts included in the measurement of operating lease liabilities		132.0	127.7	139.6
Operating ROU assets obtained in exchange for lease obligations		$ 135.6	$ 92.5	$ 70.2

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