Property and Equipment, net - Schedule of Property and Equipment, Net (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Land and improvements	$ 142.5	$ 139.4
Buildings	715.4	702.3
Machinery and equipment	2,548.9	2,460.7
Other property and equipment	154.2	151.6
Construction-in-progress	85.7	103.9
Property and equipment, gross	3,646.7	3,557.9
Accumulated depreciation and amortization	(2,433.9)	(2,288.7)
Property and equipment, net	$ 1,212.8	$ 1,269.2