Property, Plant and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2019

Property Plant And Equipment [Abstract]

Property, Plant and Equipment, Net

December 31
(in millions)	2019			2018
Land and land improvements	$	1,135.0		$	1,089.6
Mineral reserves and interests		2,509.8			2,506.8
Buildings		163.4			162.1
Machinery and equipment		4,548.6			4,357.7
Construction in progress		258.4			178.7
Finance lease right-of-use assets		18.3			—
		8,633.5			8,294.9
Less: Accumulated depreciation, depletion and amortization		(3,427.5	)		(3,137.7	)
Total	$	5,206.0		$	5,157.2