Impact from Thailand Flood - Other Disclosures (Details) (USD $)	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Sep. 30, 2011
Asset Write-downs:
Inventory, damaged by Thailand flood, writedown (recovery)	$ (300,000)		$ 3,700,000
Equipment, write-down, damaged by Thailand flood			1,800,000
Equipment under capital lease, write-down, damaged by Thailand flood			1,900,000
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:
Loss on inventory purchase commitments	300,000		1,600,000
Insurance Recoveries, To Date:
Insurance Recoveries	$ 0	$ 0	$ 5,000,000	$ 0