Property, Plant, and Equipment (Tables)

3 Months Ended

Mar. 31, 2016

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, 2016			December 31, 2015
Land and land improvements	$	146.2		$	146.4
Buildings	641.3			640.9
Machinery and equipment	4,769.9			4,747.1
Construction in progress	148.3			119.1
Other	64.8			61.3
Property, plant, and equipment, at cost	5,770.5			5,714.8
Less accumulated depreciation	(2,952.6		)	(2,882.7		)
Property, plant, and equipment, net	$	2,817.9		$	2,832.1