Property, Plant and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Abstract]
Land and land improvements	$ 101.9	$ 61.4
Buildings	320.4	269.7
Machinery and equipment	1,171.9	1,064.8
Construction in progress	190.4	222.8
Total cost	1,784.6	1,618.7
Accumulated depreciation	(768.2)	(688.7)
Property, plant and equipment, net	1,016.4	930.0
Depreciation	$ 74.1	$ 67.0	$ 56.6