Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2012

Property, Plant and Equipment [Abstract]

Components of property, plant and equipment

Components of property, plant and equipment were as follows (in millions):

	As of December 31,
	2012			2011
Land	$	29.4		$	26.1
Buildings and improvements	208.6			201.4
Machinery and equipment	612.9			603.2
Construction in progress and equipment not yet in service	32.1			24.0
Total	883.0			854.7
Less accumulated depreciation	(584.8		)	(554.0		)
Property, plant and equipment, net	$	298.2		$	300.7