Summary of Significant Accounting Policies (Details 3)	12 Months Ended
	Sep. 30, 2012
Minimum
Intangible Assets
Estimated useful lives	5 years
Maximum
Intangible Assets
Estimated useful lives	20 years
Equipment and fixtures | Minimum
Property, Plant and Equipment
Estimated useful lives	4 years
Equipment and fixtures | Maximum
Property, Plant and Equipment
Estimated useful lives	10 years
Buildings | Minimum
Property, Plant and Equipment
Estimated useful lives	25 years
Buildings | Maximum
Property, Plant and Equipment
Estimated useful lives	35 years