Leases - Summary of Lease Cost (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022		Dec. 31, 2021		Dec. 31, 2020
Leases [Abstract]
Operating lease cost		$ 95.7	[1]	$ 133.3	[1]	$ 160.9
Short-term cost	[2]	27.3		30.1
Variable lease cost	[2]	9.6		10.8
Total lease cost		$ 132.6		$ 174.2

[1] Operating lease cost represent non-cash amortization of ROU assets and accretion of the discounted lease liabilities and is segregated on the statement of consolidated cash flows.

[2] These costs are classified as operating expense and recorded primarily within purchased transportation.