Stock-Based Compensation Level 4 - Restricted Stock Plan (Details)	9 Months Ended	12 Months Ended
	Jun. 30, 2012	Sep. 30, 2011
Stock-Based Compensation [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized	1,500,000
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted	1,449,607	290,963