Significant Accounting Policies and Practices and Recent Accounting Pronouncements Significant Accounting Policies and Practices and Recent Accounting Pronouncements (Tables)

12 Months Ended

Sep. 30, 2015

Property, Plant and Equipment [Line Items]

Property, Plant and Equipment [Table Text Block]

accelerated depreciation methods for income tax purposes. Useful lives for property, plan and equipment are as follows:



Asset Type		Range
Building and improvements		20 to 40 years
Machinery and equipment		2 to 15 years

Properties, including oil and natural gas properties, net, consist of the following:



	September 30,
	2015		2014
Oil and natural gas properties (full cost accounting method)
Unproved oil and natural gas properties and development costs not being amortized	$	—	$	20.2
Proved developed and undeveloped oil and natural gas properties	304.3		493.9
Less: Accumulated depletion	38.1		68.4
Total oil and natural gas properties, net	266.2		445.7
Other properties
Land, buildings and improvements	193.5		166.9
Gas gathering assets	20.9		21.1
Machinery, equipment and other	521.9		496.3
Capitalized leases	97.3		99.3
Construction in progress	51.8		32.3
Total other properties, at cost	885.4		815.9
Less: Accumulated depreciation	338.8		353.0
Total other properties, net	546.6		462.9
Total properties, including oil and natural gas properties, net	$	812.8	$	908.6

Property, Plant and Equipment, Estimated Useful Lives

14 years

Schedule of Finite-Lived Intangible Assets [Table Text Block]

The range and weighted average useful lives for definite-lived intangibles assets are as follows:



Asset Type	Range	Weighted Average
Customer relationships	2 to 20 years	18.5 years
Technology assets	8 to 17 years	11.1 years
Tradenames	4 to 18 years	16.2 years



	September 30, 2015							September 30, 2014
	Cost		Accumulated Amortization			Net		Cost		Accumulated Amortization			Net
Customer relationships	$	985.2	$	(247.4	)	$	737.8	$	877.1	$	(204.6	)	$	672.5
Technology assets	238.6		(78.1		)	160.5		192.2		(57.6		)	134.6
Trade names	165.4		(73.7		)	91.7		171.1		(61.0		)	110.1
	$	1,389.2	$	(399.2	)	$	990.0	$	1,240.4	$	(323.2	)	$	917.2