Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Components of Lease Cost

The components of lease cost were as follows (in millions):

	For the Year Ended December 31,
	2021		2020		2019
Operating lease cost	$	4.0	$	4.2	$	4.3
Short-term lease cost	2.9		3.9		2.6
Finance lease cost:
Amortization of right-of-use asset	0.7		0.7		0.7
Interest on lease liability	0.4		0.4		0.5
Total lease cost	$	8.0	$	9.2	$	8.1

Schedule of Supplemental Balance Sheet Information Related to Leases

The following provides supplemental balance sheet information related to the Company's leases:

	As of December 31,
	2021			2020
Right-of-use assets (in millions)
Operating leases (recorded in Other Assets)	$	21.6		$	11.8
Finance lease (recorded in Property, Plant and Equipment)		4.7			5.4
Lease liabilities (in millions)
Operating leases (recorded in Other Liabilities, current and     non-current)		23.5			13.8
Finance lease		6.1			6.8
Weighted-average remaining lease term (years)
Operating leases		10.8			3.8
Finance lease		6.6			7.6
Weighted-average discount rate
Operating leases		2.94	%		4.72	%
Finance lease		5.89	%		5.89	%

Maturity of Operating Lease Liabilities

The table below presents the maturities of lease liabilities (in millions):

	As of December 31, 2021
	Operating Leases		Finance Lease
2022	$	3.7	$	1.1
2023	3.8		1.1
2024	2.5		1.1
2025	2.2		1.1
2026	1.5		1.1
Thereafter	13.6		1.8
Total	27.3		7.3
Less: discount	(3.8)		(1.2)
Total lease liabilities	$	23.5	$	6.1

Maturity of Finance Lease Liabilities

The table below presents the maturities of lease liabilities (in millions):

	As of December 31, 2021
	Operating Leases		Finance Lease
2022	$	3.7	$	1.1
2023	3.8		1.1
2024	2.5		1.1
2025	2.2		1.1
2026	1.5		1.1
Thereafter	13.6		1.8
Total	27.3		7.3
Less: discount	(3.8)		(1.2)
Total lease liabilities	$	23.5	$	6.1