Plant and Equipment, net (Tables)

12 Months Ended

Sep. 30, 2016

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

30 September	Useful Life in years	2016		2015
Land		$	202.9	$	195.8
Buildings	30	918.6		882.6
Production facilities
Industrial Gases – Regional(A)	10 to 20	12,372.1		11,904.3
Other	5 to 20	19.8		21.0
Total production facilities		12,391.9		11,925.3
Distribution and other machinery and equipment(B)	5 to 25	3,821.0		3,719.4
Construction in progress		1,325.8		1,275.4
Plant and equipment, at cost		18,660.2		17,998.5
Less: accumulated depreciation		10,400.5		9,761.2
Plant and equipment, net		$	8,259.7	$	8,237.3

^(A)  Depreciable lives of production facilities related to long-term customer supply contracts are matched to the contract lives.

^(B)  The depreciable lives for various types of distribution equipment are 10 to 25 years for cylinders, depending on the nature and properties of the product; 20 years for tanks; 7.5 years for customer stations; and 5 to 15 years for tractors and trailers.