Accrued Expenses and Other Current Liabilities (Other Disclosures) (Details) (USD $)	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Customer deposits:
Customer deposits, amounts received, associated with Thailand flood recovery plan	$ 6,800,000
Customer deposits, remaining balance, associated with Thailand flood recovery plan	1,300,000
Customer deposit, Suncore JV - related party, amount received	3,300,000
Customer deposit, Suncore JV - related party, remaining balance	600,000
Capital lease obligations:
Capital lease obligations incurred	4,411,000	1,879,000	0
Severance and restructuring accruals:
Continuation of base salary, in weeks	P88W
Continuation of benefits, in months	18 months
Estimated charge related to separation agreement	1,100,000
Natural Disasters and Other Casualty Events
Capital lease obligations:
Property, plant and equipment, additions	5,200,000
Capital lease obligations incurred	$ 4,400,000