Property and Equipment, net (Tables)

12 Months Ended

Dec. 31, 2011

Property and Equipment, net [Abstract]

Property and equipment, net

	December 31,
	2011			2010
Land and improvements	$	167.7		$	53.0
Buildings		697.2			620.1
Machinery and equipment		2,470.9			2,325.8
Other property and equipment		170.7			106.3
Construction-in-progress		104.4			43.6
		3,610.9			3,148.8
Accumulated depreciation and amortization		(2,288.8	)		(2,200.5	)
Property and equipment, net	$	1,322.1		$	948.3

Interest cost capitalized and depreciation and amortization expense for property and equipment

	December 31,
	2011		2010		2009
Interest cost capitalized	$	4.2	$	3.7	$	6.7
Depreciation and amortization expense for property and equipment		148.2		143.5		142.8