Property, Plant and Equipment Estimated Useful Life (Details)	12 Months Ended
	Sep. 30, 2014
Minimum
Property Plant And Equipment [Line Items]
Rental equipment	3 years
Maximum
Property Plant And Equipment [Line Items]
Rental equipment	5 years
Machinery and equipment | Minimum
Property Plant And Equipment [Line Items]
Property useful lives	3 years
Machinery and equipment | Maximum
Property Plant And Equipment [Line Items]
Property useful lives	15 years
Buildings and building improvements | Minimum
Property Plant And Equipment [Line Items]
Property useful lives	10 years
Buildings and building improvements | Maximum
Property Plant And Equipment [Line Items]
Property useful lives	50 years
Other | Minimum
Property Plant And Equipment [Line Items]
Property useful lives	5 years
Other | Maximum
Property Plant And Equipment [Line Items]
Property useful lives	10 years