Leases (Details) (USD $)	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Rental expense	$ 4,900,000	$ 5,900,000	$ 11,000,000
2013	3,212,000
2014	2,843,000
2015	2,068,000
2016	1,074,000
2017	233,000
Thereafter	0
Total	$ 9,430,000