Property, Plant And Equipment

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Property, Plant And Equipment

PROPERTY, PLANT AND EQUIPMENT

The classes of property, plant and equipment as of December 31 are summarized as follows ($ in millions):

	2020		2019
Land and improvements	$	24.8	$	23.7
Buildings and improvements	182.6		166.9
Machinery, equipment and other assets	438.8		410.1
Construction in progress	84.8		92.2
Gross property, plant and equipment	731.0		692.9
Less: accumulated depreciation	(428.0)		(402.6)
Property, plant and equipment, net	$	303.0	$	290.3