Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Lease Cost

The following table summarizes the Company's lease costs:

	Year Ended December 31,
	2021		2020		2019
	(In millions)
Operating lease cost	$	16.0	$	15.5	$	14.2
Finance lease cost:
Amortization	2.6		2.9		4.0
Interest on lease liabilities	2.6		2.7		2.9
Short-term lease cost	0.5		0.5		0.8
Total lease costs	$	21.7	$	21.6	$	21.9

The following table summarizes the supplemental cash flow information related to leases:

	Year Ended December 31,
	2021		2020		2019
	(In millions)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	15.6	$	13.7	$	14.2
Operating cash flows for finance leases	2.6		2.7		2.9
Financing cash flows for finance leases	2.2		2.1		3.3
Assets obtained in exchange for lease obligations:
Operating leases	36.3		11.9		7.7
Finance leases	—		—		23.8

Lease Assets and Liabilities

The following table summarizes the supplemental balance sheet information related to leases:

	As of December 31,
	2021			2020
	(In millions)
Operating leases:
Operating lease right-of-use assets	$	52.6		$	46.8
Operating lease liabilities (component of other current liabilities)	$	13.4		$	13.4
Operating lease liabilities, noncurrent	41.3			35.7
Total operating lease liability	$	54.7		$	49.1
Finance leases:
Property, plant and equipment	$	52.9		$	52.9
Accumulated depreciation	(11.3)			(8.6)
Property, plant and equipment, net	$	41.6		$	44.3
Current portion of long-term debt	$	1.9		$	2.2
Long-term debt	41.5			43.4
Total finance lease liability	$	43.4		$	45.6
Weighted-average remaining lease term (in years):
Operating leases	7			7
Finance leases	16			17
Weighted-average discount rate:
Operating leases	3.8		%	4.4		%
Finance leases	5.9		%	5.9		%

Finance Lease Maturity Schedule

The following table presents the maturities of lease liabilities and lease revenue in effect as of December 31, 2021:

Year Ending December 31,	Operating Leases		Finance Leases		Future Minimum Rental Income
	(In millions)
2022	$	15.2	$	4.4	$	1.9
2023	9.5		3.7		1.2
2024	5.5		3.8		1.1
2025	4.8		3.8		1.1
2026	5.0		3.9		1.2
Thereafter	22.9		49.8		5.5
Total minimum rentals	62.9		69.4		12.0
Less: imputed interest	(8.2)		(26.0)		—
Total	$	54.7	$	43.4	$	12.0

Operating Lease Maturity Schedule

The following table presents the maturities of lease liabilities and lease revenue in effect as of December 31, 2021:

Year Ending December 31,	Operating Leases		Finance Leases		Future Minimum Rental Income
	(In millions)
2022	$	15.2	$	4.4	$	1.9
2023	9.5		3.7		1.2
2024	5.5		3.8		1.1
2025	4.8		3.8		1.1
2026	5.0		3.9		1.2
Thereafter	22.9		49.8		5.5
Total minimum rentals	62.9		69.4		12.0
Less: imputed interest	(8.2)		(26.0)		—
Total	$	54.7	$	43.4	$	12.0