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Restructuring Charges	12 Months Ended
Restructuring Charges	Sep. 30, 2015
Restructuring and Related Activities [Abstract]
Restructuring Charges	Restructuring Charges During fiscal 2015, the company recorded a net charge of $0.6 million, which is reported in restructuring and other charges in the consolidated statement of operations, for employee related costs, including costs for severance related to the BTU acquisition.