Supplemental Balance Sheet Information (Tables)

12 Months Ended

Dec. 31, 2016

Balance Sheet Related Disclosures [Abstract]

Schedule of Additional Supplemental Balance Sheet Information

Additional supplemental balance sheet information is provided in the tables that follow.

	As of December 31,
	2016			2015
	(In millions)
Inventories
Finished goods	$	—		$	0.9
Raw materials and supplies	4.1			7.2
Total inventories	$	4.1		$	8.1
Property, Plant and Equipment
Buildings and leasehold improvements	$	3.3		$	3.3
Machinery and equipment	9.4			9.4
Total	12.7			12.7
Less accumulated depreciation	(9.9		)	(8.5		)
Property, plant and equipment, net	$	2.8		$	4.2
Assets held for sale
Corporate headquarter facility	$	—		$	11.0
Total assets held for sale	$	—		$	11.0

Schedule of Accounts Receivable Reserves and Allowances

	Accounts Receivable*
	(In millions)
Reserves and Allowances
Balance, as of December 31, 2014	$	0.5
Additions	0.1
Write-offs, net of recoveries	—
Balance, as of December 31, 2015	$	0.6
Additions	0.1
Write-offs, net of recoveries	(0.5		)
Balance, as of December 31, 2016	$	0.2

*Accounts receivable reserves and allowances include estimated amounts for customer returns, discounts on payment terms and the ability of certain customers to make the required payment.

Schedule of Other Current Liabilities

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

	December 31,
	2016		2015
	(In millions)
Accrued payroll	$	2.6	$	3.3
Deferred Revenue	6.7		6.2
Restructuring accruals (Note 7)	—		1.0
Levy Accruals	4.9		5.0
Other current liabilities	1.8		15.0
Total other current liabilities	$	16.0	$	30.5