Property, Net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Property, gross	$ 1,489.0		$ 1,469.9
Less accumulated depreciation and amortization	(909.1)		(886.4)
Property, net	579.9		583.5
Depreciation expense	21.7	$ 20.2
Accelerated depreciation costs	2.8	$ 0.1
Land
Property, Plant and Equipment [Line Items]
Property, gross	47.1		46.9
Buildings
Property, Plant and Equipment [Line Items]
Property, gross	321.0		318.3
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, gross	$ 1,120.9		$ 1,104.7