Property, Plant, and Equipment (Tables)

3 Months Ended

Mar. 31, 2021

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,
	2021			2020
Land and land improvements	$	185.5		$	179.6
Buildings		874.8			858.5
Machinery and equipment		5,879.9			5,826.6
Construction in progress		354.3			360.0
Other		88.6			88.8
Property, plant and equipment, at cost		7,383.1			7,313.5
Less accumulated depreciation		(4,170.6	)		(4,120.1	)
Property, plant, and equipment, net	$	3,212.5		$	3,193.4