Property, Plant, and Equipment (Tables)

3 Months Ended

Mar. 31, 2015

Property, Plant and Equipment [Abstract]

Components of Property, Plant, and Equipment

The components of property, plant, and equipment were as follows (dollars in millions):

	March 31, 2015			December 31, 2014
Land and land improvements	$	144.5		$	143.5
Buildings	659.8			654.6
Machinery and equipment	4,533.7			4,508.0
Construction in progress	198.3			154.8
Other	54.5			54.5
Property, plant, and equipment, at cost	5,590.8			5,515.4
Less accumulated depreciation	(2,726.7		)	(2,657.8		)
Property, plant, and equipment, net	$	2,864.1		$	2,857.6