Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Assets and Liabilities, Lessee

Lease balances are recorded on the consolidated balance sheets as follows (in millions):

Operating leases:	December 31, 2021			December 31, 2020
Other assets, net	$	60.1		$	59.8
Other current liabilities	$	18.1		$	16.3
Other long-term liabilities	$	67.1		$	71.3
Other lease information
Weighted-average remaining lease term—Operating leases	10.3 years			11.1 years
Weighted-average discount rate—Operating leases	4.9		%	5.1		%

Lease, Cost

The components of total lease expense are as follows (in millions):

	Year Ended December 31,
	2021		2020		2019
Finance lease expense:
Amortization of right-of-use asset	$	—	$	—	$	5.2
Interest on lease liability	—		—		0.1
Operating lease expense:
Long-term operating lease expense	21.7		23.1		28.7
Short-term lease expense	17.5		22.1		32.0
Variable lease expense	15.6		11.8		7.7
Impairments	0.2		6.8		—
Total lease expense	$	55.0	$	63.8	$	68.4

Lessee, Operating Lease, Liability, Maturity

The following table summarizes the maturity of our lease liability as of December 31, 2021 (in millions):

	Total		2022		2023		2024		2025		2026		Thereafter
Undiscounted operating lease liability	$	115.6	$	21.1	$	15.3	$	10.1	$	9.8	$	8.9	$	50.4
Reduction due to present value	(30.4)		(3.7)		(3.2)		(2.8)		(2.4)		(2.0)		(16.3)
Operating lease liability	$	85.2	$	17.4	$	12.1	$	7.3	$	7.4	$	6.9	$	34.1

Finance Lease, Liability, Maturity

The following table summarizes the maturity of our lease liability as of December 31, 2021 (in millions):

	Total		2022		2023		2024		2025		2026		Thereafter
Undiscounted operating lease liability	$	115.6	$	21.1	$	15.3	$	10.1	$	9.8	$	8.9	$	50.4
Reduction due to present value	(30.4)		(3.7)		(3.2)		(2.8)		(2.4)		(2.0)		(16.3)
Operating lease liability	$	85.2	$	17.4	$	12.1	$	7.3	$	7.4	$	6.9	$	34.1