Accumulated Other Comprehensive Loss, Net of Tax Reclassification of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Foreign currency translation adjustments		$ 5.9	$ (0.5)
Losses on derivative instruments		0.5	0.5
Amortization of defined benefit pension and postretirement plans items	[1]	2.7	3.0
Tax effect		(0.9)	(1.4)
Total amount reclassified from accumulated other comprehensive loss, net of tax		$ (8.2)	$ (1.6)

[1] These accumulated other comprehensive loss components are included in the computation of net periodic cost. See Note 9 for further information.