Accrued Expenses and Other Current Liabilities (Schedule of Accrued Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Payables and Accruals [Abstract]
Compensation	$ 4,361	$ 3,798
Warranty	4,030	3,692	4,158
Termination fee	2,775	2,775
Professional fees	676	938
Royalty	1,061	1,445
Customer deposits	730	2,408
Deferred revenue	2,565	6,670
Self insurance	1,352	1,155
Capital lease obligations	0	4,411
Income and other taxes	1,345	1,573
Loss on sale contracts	415	765
Severance and restructuring accruals	601	1,521
Loss on inventory purchase commitments	0	723
Other	1,686	761
Accrued expenses and other current liabilities	$ 21,597	$ 32,635