Accrued Expenses and Other Current Liabilities (Schedule of Accrued Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
Payables and Accruals [Abstract]
Compensation	$ 3,798	$ 4,222
Warranty	3,692	4,158
Termination fee	2,775	2,775
Professional fees	938	489
Royalty	1,445	1,627
Customer deposits	2,408	601
Deferred revenue	6,670	2,152
Self insurance	1,155	1,048
Capital lease obligations	4,411	1,279
Income and other taxes	1,573	1,269
Loss on sale contracts	765	480
Severance and restructuring accruals	1,521	405
Loss on inventory purchase commitments	723	0
Litigation settlements	0	1,445
Other	761	369
Accrued expenses and other current liabilities	$ 32,635	$ 22,319