Supplemental Balance Sheet Information (Tables)

12 Months Ended

Dec. 31, 2021

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,
	2021		2020
	(In millions)
Accrued payroll	$	0.2	$	0.1
Other current liabilities		0.2		1.2
Total other current liabilities	$	0.4	$	1.3