Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions		Sep. 30, 2024	Dec. 31, 2023
Operating Leases
Operating lease ROU assets		$ 385.6	$ 414.0
Short-term operating lease liability	[1]	102.0	100.2
Long-term operating lease liability		299.0	323.2
Total operating lease liabilities		$ 401.0	$ 423.4

[1] Short-term operating lease liability is included in accrued liabilities on our Consolidated Balance Sheets.