Property, Plant and Equipment (Tables)

12 Months Ended

Sep. 30, 2018

Property Plant And Equipment [Abstract]

Schedule of Property, Plant and Equipment

Property, plant and equipment consists of the following (in millions):    

	September 30,
	2018			2017
Property, plant and equipment at cost:
Land and buildings	$	2,078.9		$	2,034.3
Machinery and equipment		12,064.0			11,349.7
Forestlands and mineral rights		158.0			208.3
Transportation equipment		30.1			30.7
Leasehold improvements		88.9			59.5
		14,419.9			13,682.5
Less: accumulated depreciation, depletion and amortization		(5,337.4	)		(4,564.2	)
Property, plant and equipment, net	$	9,082.5		$	9,118.3