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Leases

3 Months Ended

Mar. 31, 2020

Leases [Abstract]

12. Leases

Supplemental balance sheet information related to leases were as follows:

Lease Type		Balance Sheet Classification		March 31, 2020				December 31, 2019
				(Dollars in millions)
ASSETS
Operating lease assets		Trade and other receivables, net		$	5.2			$	5.5
Operating lease assets		Prepaid expenses and other current assets			1.9				1.2
Operating lease assets		Right of use lease asset			34.8				32.0
Financing lease assets		Property, plant, and equipment, net			8.6				8.8
Total lease assets				$	50.5			$	47.5
LIABILITIES
Current
Financing lease liabilities		Current portion of long-term debt		$	2.9			$	4.0
Operating lease liabilities		Current portion of long-term lease liabilities			8.4				8.8
Noncurrent
Financing lease liabilities		Long-term debt, less current portion			8.5				8.4
Operating lease liabilities		Long-term lease liabilities, less current portion			32.8				30.1
Total lease liabilities				$	52.6			$	51.3

The components of lease expense were as follows:

		Three Months Ended March 31,
		2020				2019
Lease Cost		(Dollars in millions)
Operating lease cost		$	2.3			$	4.0
Financing lease cost:
Depreciation of lease assets			0.2				—
Interest on lease liabilities			0.1				—
Sublease income			(1.0	)			(1.2	)
Total lease cost, net		$	1.6			$	2.8