Leases (Tables)

12 Months Ended

Dec. 31, 2022

Leases [Abstract]

Summary of Balances of Right of Use Assets and Liabilities of Finance Leases and Operating Leases

The balances of right-of-use assets and liabilities of finance leases and operating leases, and their locations on our Consolidated Balance Sheets are as follows:

		December 31,
	Balance Sheet Location	2022		2021
Right-of-use assets
Operating leases, gross	Other long-term assets	$	57.3	$	50.8
Finance leases, gross (1)	Property, plant and equipment		266.1		55.6
Lease liabilities
Current:
Operating leases	Accrued liabilities	$	14.4	$	11.7
Finance leases (1)	Current debt obligations		34.3		12.8
Non-current:
Operating leases	Other long-term liabilities	$	28.6	$	34.5
Finance leases (1)	Long-term debt		193.0		13.7

(1)The December 31, 2022 balance includes $171.2 million of assets and $167.0 million of liabilities related to compressor leases from the Delaware Basin Acquisition that were subsequently amended and extended.

Summary of Components of Lease Expense

Operating lease costs and short-term lease costs are included in Operating expenses or General and administrative expense in our Consolidated Statements of Operations, depending on the nature of the leases. Finance lease costs are included in Depreciation and amortization expense and Interest expense, net in our Consolidated Statements of Operations. The components of lease expense were as follows:

	Year Ended December 31,
	2022		2021		2020
Lease cost
Operating lease cost	$	17.7	$	12.2	$	11.6
Short-term lease cost		35.0		20.4		20.7
Variable lease cost		17.9		5.7		5.5
Finance lease cost
Amortization of right-of-use assets		20.3		13.3		13.6
Interest expense		3.5		1.1		1.4
Total lease cost	$	94.4	$	52.7	$	52.8

Summary of Other Supplemental Information Related to Leases

Other supplemental information related to our leases are as follows:

	Year Ended December 31,
	2022		2021		2020
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows for operating leases	$	18.8	$	14.1	$	12.3
Operating cash flows for finance leases		2.7		1.0		1.4
Financing cash flows for finance leases		19.7		12.5		12.4

Summary of Maturities of Lease Liabilities Under Non-cancellable Leases

The following table presents the maturities of our lease liabilities under non-cancellable leases as of December 31, 2022:

	Operating Leases			Finance Leases
2023	$	15.7		$	42.5
2024		9.9			38.5
2025		5.2			37.1
2026		4.5			35.4
2027		4.0			30.9
Thereafter		7.8			80.9
Total undiscounted cash flows		47.1			265.3
Less imputed interest		(4.1	)		(38.0	)
Total lease liabilities	$	43.0		$	227.3