Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2018

Property, Plant and Equipment [Abstract]

Summary of property, plant and equipment

Property, plant and equipment, at December 31, consist of the following:

	2018			2017
Land and improvements	$	41.8		$	41.8
Buildings and improvements	337.3			331.7
Machinery and equipment	1,449.5			1,398.7
Construction in progress	46.3			22.5
	1,874.9			1,794.7
Less accumulated depreciation	(907.6		)	(822.8		)
Property, plant and equipment - net	$	967.3		$	971.9