Lease Obligations - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Lessee, Lease, Description [Line Items]
Leases, remaining lease terms	15 years
Finance leases, assets, gross	$ 656.0		$ 679.9
Assets held under finance leases, location	Property and equipment, net		Property and equipment, net
Finance leases, assets, net	$ 443.6		$ 473.3
Finance leases, assets, depreciation	24.2	$ 28.0
Operating leases, additions	$ 80.1	26.3
Operating leases, term of contract	1 year
Operating lease expense	$ 48.5	35.2
Operating leases, variable lease costs	4.7	4.0
Operating leases, short-term leases, expense	$ 135.6	$ 111.1
Finance leases, weighted average remaining lease term (in years)	2 years 6 months		2 years 7 months 6 days
Finance leases, weighted average discount rate, percent	4.80%		4.70%
Operating leases, weighted average remaining lease term (in years)	3 years 10 months 24 days		3 years 9 months 18 days
Operating leases, weighted average discount rate, percent	4.90%		4.80%
Minimum | Equipment Leases
Lessee, Lease, Description [Line Items]
Leases, renewal term	1 year
Minimum | Facility Leases
Lessee, Lease, Description [Line Items]
Leases, renewal term	1 year
Maximum | Equipment Leases
Lessee, Lease, Description [Line Items]
Leases, renewal term	5 years
Maximum | Facility Leases
Lessee, Lease, Description [Line Items]
Leases, renewal term	5 years