Property, Plant and Equipment (Tables)

6 Months Ended

Mar. 31, 2020

Property Plant And Equipment [Abstract]

Schedule of Property, Plant and Equipment

The components of property, plant and equipment were as follows (in millions):

	March 31, 2020			September 30, 2019
Property, plant and equipment at cost:
Land and buildings	$	2,491.9		$	2,442.3
Machinery and equipment		14,921.1			14,743.6
Forestlands and mineral rights		120.5			144.0
Transportation equipment		28.8			31.2
Leasehold improvements		102.5			100.2
		17,664.8			17,461.3
Less: accumulated depreciation, depletion and    amortization		(6,628.5	)		(6,271.8	)
Property, plant and equipment, net	$	11,036.3		$	11,189.5