Income Taxes - Schedule of Deferred Income Taxes (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Assets
Net operating loss carryforwards	$ 60.6	$ 60.5
Unfunded pension liability and other postretirement obligations	4.8	6.7
Advanced payments from foreign affiliates	23.0	61.5
Tax credit carryforwards	5.0	3.5
Stock based compensation	16.1	16.0
Other comprehensive income	8.8	9.1
Reserves and other	21.2	24.6
Subtotal	139.5	181.9
Valuation allowance	(57.8)	(60.5)
Total assets	81.7	121.4
Liabilities
Accelerated depreciation	(118.0)	(108.6)
Accelerated amortization	(12.0)	(10.6)
Other	(0.3)	(0.6)
Total liabilities	(130.3)	(119.8)
Net deferred tax liabilities	$ (48.6)
Net deferred tax assets		$ 1.6