Lease Arrangements (Tables)

12 Months Ended

Dec. 31, 2023

Leases [Abstract]

Lease assets and liabilities

Balance Sheet as of December 31, 2023 and 2022

	Classification on the Balance Sheet	December 31, 2023			December 31, 2022
Assets
Operating lease assets	Operating lease right-of-use assets	$	44.7		$	54.7
Finance lease assets	Property, plant and equipment, net	22.2			23.3
Total lease assets		$	66.9		$	78.0
Liabilities
Current
Operating	Current portion of operating lease liabilities	$	10.6		$	11.2
Finance	Current portion of long-term debt and short-term debt	3.8			4.3
Noncurrent
Operating	Long-term operating lease liabilities	34.4			43.7
Finance	Long-term debt	12.5			14.2
Total lease liabilities		$	61.3		$	73.4
Weighted-average remaining lease term (in years)
Operating leases		5.5			6.2
Finance leases		5.3			5.6
Weighted-average discount rate
Operating leases		5.2		%	5.8		%
Finance leases		5.8		%	5.6		%

Lease costs

	2023		2022		2021
Finance lease expense
Amortization of right-of-use assets	$	1.7	$	3.2	$	1.4
Interest on lease liabilities	1.0		0.3		0.3
Operating lease expense	14.8		15.2		14.7
Other lease expense(1)	9.6		6.6		7.9
Total lease expense	$	27.1	$	25.3	$	24.3
(1) - Other lease expense includes variable lease costs and short-term lease costs.

	2023		2022		2021
Amounts included in the Consolidated Statements of Cash Flows:
Operating cash outflows for operating leases	$	(14.3)	$	(14.5)	$	(14.6)
Operating cash outflows for finance leases	$	(1.0)	$	(0.3)	$	(0.3)
Financing cash inflows (outflows) for finance leases	$	0.9	$	8.5	$	(0.3)

Maturities of lease liabilities, operating leases

Maturities of Lease Liabilities as of December 31, 2023, were as follows:

	Operating Leases		Finance Leases
2024	$	13.1	$	4.3
2025	10.2		3.0
2026	7.7		2.6
2027	6.3		2.4
2028	5.3		2.3
Thereafter	10.0		4.8
Total lease payments	52.6		19.4
Less: amount of lease payments representing interest	(7.6)		(3.1)
Total present value of future lease payments	$	45.0	$	16.3

Maturities of lease liabilities, finance leases

Maturities of Lease Liabilities as of December 31, 2023, were as follows:

	Operating Leases		Finance Leases
2024	$	13.1	$	4.3
2025	10.2		3.0
2026	7.7		2.6
2027	6.3		2.4
2028	5.3		2.3
Thereafter	10.0		4.8
Total lease payments	52.6		19.4
Less: amount of lease payments representing interest	(7.6)		(3.1)
Total present value of future lease payments	$	45.0	$	16.3