Operating Leases (Tables)

12 Months Ended

Dec. 31, 2023

Leases [Abstract]

Cost Components of Operating Leases, Weighted Average Lease Terms, Discount Rates, and Supplemental Cash Flow Information

The cost components of our operating leases were as follows for the periods ended December 31:

	2023				2022			2021
	Leased Facilities and Equipment		Leased Vehicles	Total	Leased Facilities and Equipment	Leased Vehicles	Total	Leased Facilities and Equipment	Leased Vehicles	Total
Operating lease cost	$	99.4	18.2	117.6	96.8	14.7	111.5	99.7	13.7	113.4
Variable lease cost	10.5		1.6	12.1	9.7	1.5	11.2	10.4	1.3	11.7
Short-term lease cost	—		23.7	23.7	—	26.6	26.6	—	19.2	19.2
Total	$	109.9	43.5	153.4	106.5	42.8	149.3	110.1	34.2	144.3

The weighted average remaining lease terms and discount rates for all of our operating leases were as follows for the periods ended December 31:

Remaining lease term and discount rate:	2023	2022
Weighted average remaining lease term (years)
Leased facilities and equipment	3.76	3.57
Leased vehicles	3.77	2.66
Weighted average discount rate
Lease facilities and equipment	3.07%	2.07%
Leased vehicles	4.03%	2.47%

Supplemental cash flow information related to our operating leases was as follows for the periods ended December 31:

	2023		2022	2021
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflow from operating leases	$	115.7	110.9	112.4
Leased assets obtained in exchange for new operating lease liabilities	116.2		89.4	103.6

Maturities of Lease Liabilities

Maturities of our lease liabilities for all operating leases were as follows as of December 31, 2023:

	Leased Facilities and Equipment		Leased Vehicles	Total
2024	$	86.1	14.2	100.3
2025	65.1		12.1	77.2
2026	43.3		8.9	52.2
2027	26.5		5.1	31.6
2028	14.7		3.1	17.8
2029 and thereafter	13.0		1.5	14.5
Total lease payments	$	248.7	44.9	293.6
Less: Imputed interest	(15.2)		(3.4)	(18.6)
Present value of lease liabilities	$	233.5	41.5	275.0