Property, Plant, and Equipment (Tables)

3 Months Ended

Mar. 31, 2019

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,			December 31,
	2019			2018
Land and land improvements	$	165.6		$	161.9
Buildings		806.6			795.5
Machinery and equipment		5,522.0			5,481.6
Construction in progress		193.9			176.7
Other		75.9			75.4
Property, plant and equipment, at cost		6,764.0			6,691.1
Less accumulated depreciation		(3,654.2	)		(3,582.5	)
Property, plant, and equipment, net	$	3,109.8		$	3,108.6