Defined Contribution Plans	12 Months Ended
Sep. 30, 2011
Defined Contribution Plans [Abstract]
Defined Contribution Plans	10. Defined Contribution Plans The Company has a 401(k) retirement and savings plan for the benefit of qualifying employees. The Company matches 50% of employee contributions on the first 6% of eligible compensation. Effective April 1, 2009, the Company changed its matching contribution to a discretionary approach and the Company ceased matching contributions. Effective April 1, 2010, the Company re-instated its matching contribution at the previous level. Company contributions totaling $0.4 million, $0.2 million, and $0.2 million have been expensed for the years ended September 30, 2011, 2010 and 2009, respectively.

The entire disclosure for pension and other postretirement benefits.

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