Leases (Tables)

12 Months Ended

Dec. 31, 2023

Leases

Schedule of ROU Assets and Lease Liabilities

	December 31,
	2023		2022		Location on Balance Sheet
Operating lease ROU assets, net	$	65.3	$	76.1	Right-of-use assets - operating, net
Finance lease ROU assets, net		6.2		7.7	Property, plant, and equipment, net of accumulated depreciation
Operating lease liabilities - current portion		16.3		17.1	Current lease liabilities - operating
Operating lease liabilities - noncurrent portion		51.7		60.2	Noncurrent lease liabilities - operating
Finance lease liabilities - current portion		1.6		1.5	Short-term borrowings and current portion of long-term debt
Finance lease liabilities - noncurrent portion		4.8		6.2	Long-term debt, net of unamortized deferred financing fees

Schedule of Lease Costs

	Year Ended
	December 31,
	2023		2022		2021
Finance lease cost:
Amortization of lease ROU assets	$	1.6	$	2.4	$	2.7
Interest on lease liabilities		0.4		0.1		0.1
Operating lease cost:		19.1		21.3		20.7
Variable lease cost		0.4		0.3		0.1
Total lease cost	$	21.5	$	24.1	$	23.6

Schedule of Cash and Non-cash Activity Related To Lease Liabilities

	Year Ended
	December 31,
	2023		2022		2021
Cash paid related to lease liabilities:
Operating cash flows from operating leases	$	19.5	$	22.3	$	21.4
Operating cash flows from finance leases		0.4		0.1		0.1
Financing cash flows from finance leases		1.4		2.4		2.7
Non-cash lease liability activity:
ROU assets obtained in exchange for new operating lease liabilities	$	5.1	$	12.2	$	29.0
ROU assets obtained in exchange for new finance lease liabilities		0.2		6.3		0.2

Schedule of Maturity of Operating Lease Liabilities ASC842

	Maturity of lease liabilities by year
	2024		2025		2026		2027		2028		Thereafter		Total Lease Payments		Less Imputed Interest		Lease Liability
Operating leases	$	17.2	$	12.8	$	8.9	$	7.8	$	6.9	$	23.2	$	76.8	$	(8.8)	$	68.0
Finance leases		2.1		1.7		1.7		1.6		—		0.1		7.2		(0.8)		6.4
Total	$	19.3	$	14.5	$	10.6	$	9.4	$	6.9	$	23.3	$	84.0	$	(9.6)	$	74.4

Schedule of Maturity of Finance Lease Liabilities

	Maturity of lease liabilities by year
	2024		2025		2026		2027		2028		Thereafter		Total Lease Payments		Less Imputed Interest		Lease Liability
Operating leases	$	17.2	$	12.8	$	8.9	$	7.8	$	6.9	$	23.2	$	76.8	$	(8.8)	$	68.0
Finance leases		2.1		1.7		1.7		1.6		—		0.1		7.2		(0.8)		6.4
Total	$	19.3	$	14.5	$	10.6	$	9.4	$	6.9	$	23.3	$	84.0	$	(9.6)	$	74.4

Schedule of of the weighted average remaining lease terms and the weighted average discount rates for operating and finance leases

	As of
	December 31,
	2023			2022			2021
Operating leases:
Weighted average remaining lease term (in years)		7.1			7.6			7.9
Weighted average discount rate		3.9	%		3.4	%		3.4	%
Finance leases:
Weighted average remaining lease term (in years)		3.9			4.9			2.0
Weighted average discount rate		6.4	%		6.3	%		2.8	%