Supplemental Balance Sheet Information (Tables)

12 Months Ended

Dec. 31, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Other Current Liabilities

Other current liabilities (included as a separate line item in our Consolidated Balance Sheets) include the following:

	December 31,
	2018		2017
	(In millions)
Accrued payroll	$	0.2	$	0.6
Levy accruals		0.3		5.6
Pension minimum contributions		1.9		—
Other current liabilities		0.7		1.4
Total other current liabilities	$	3.1	$	7.6