Accrued Expenses - Other Disclosures (Details) (USD $)	3 Months Ended	9 Months Ended
	Jun. 30, 2012	Jun. 30, 2012	Jun. 30, 2011	Sep. 30, 2011
Customer Deposits, Disclosures:
Customer Deposits, Amounts Received, Associated With Thailand Flood Recovery Plan		$ 6,800,000
Customer Deposits, Remaining Balance, Associated With Thailand Flood Recovery Plan	3,100,000	3,100,000
Customer Deposit, Suncore JV - Related Party, Amount Received		3,300,000
Customer Deposit, Suncore JV - Related Party, Remaining Balance	2,200,000	2,200,000
Capital Lease Obligations
Acquisition of equipment under capital lease		3,722,000	0
Capital lease obligations	2,924,000	2,924,000		1,279,000
Loss on Inventory Purchase Commitments, Disclosure:
Loss on inventory purchase commitments	$ 300,000	$ 1,600,000