Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Deferred Tax Assets, Net [Abstract]
Accounts receivable allowances	$ 0.4	$ 2.1
Inventories	3.7	4.0
Compensation and employee benefits	3.9	5.6
Tax credit carryforwards	28.4	30.0
Net operating loss carryforwards	278.6	205.7
Accrued liabilities and other reserves	6.1	3.9
Pension	8.6	7.7
Property, plant and equipment	0.5	9.7
Intangible assets, net	0.0	49.2
Capital losses	14.1	14.1
Other, net	1.3	1.5
Total deferred tax assets	345.6	333.5
Valuation allowance	(340.5)	(325.3)
Net deferred tax assets	5.1	8.2
Intangible assets, net	(1.2)	0.0
Unremitted earnings of foreign subsidiaries	(6.1)	(9.4)
Total deferred tax liabilities	(7.3)	(9.4)
Valuation allowance	1.2	0.0
Total deferred tax liabilities	(6.1)	(9.4)
Net deferred tax liabilities	$ (1.0)	$ (1.2)