Condensed Consolidated Statements of Operations - Unaudited (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2013	Jun. 24, 2012	Jun. 30, 2013	Jun. 24, 2012
Net sales	$ 61,308,000	$ 61,005,000	$ 185,937,000	$ 184,963,000
Cost of sales	59,909,000	62,192,000	169,140,000	181,201,000
Gross profit (loss)	1,399,000	(1,187,000)	16,797,000	3,762,000
Research and development expenses	4,102,000	4,159,000	10,926,000	12,386,000
Selling, general and administrative expenses	5,585,000	6,509,000	17,967,000	21,532,000
Severance and site consolidation expenses (Note 10)	638,000		1,988,000	(711,000)
Debt refinancing costs (Note 7)		426,000		3,926,000
Insurance recoveries, net of flood-related costs (Note 12)		3,647,000		(5,186,000)
Loss from operations	(8,926,000)	(15,928,000)	(14,084,000)	(28,185,000)
Other (expense) income, net	(3,424,000)	(453,000)	(442,000)	373,000
Gain on extinguishment of long-term debt		5,897,000	4,986,000	5,897,000
Interest income	22,000	28,000	84,000	92,000
Interest expense	(3,581,000)	(3,970,000)	(11,371,000)	(12,535,000)
Gain on short- and long-term investments		537,000	272,000	567,000
Loss before income taxes	(15,909,000)	(13,889,000)	(20,555,000)	(33,791,000)
(Benefit) provision for income taxes	(43,000)	1,000	(34,000)	120,000
Net loss	$ (15,866,000)	$ (13,890,000)	$ (20,521,000)	$ (33,911,000)
Basic loss per share (in Dollars per share)	$ (0.59)	$ (0.59)	$ (0.81)	$ (1.45)
Diluted loss per share (in Dollars per share)	$ (0.59)	$ (0.59)	$ (0.81)	$ (1.45)
Weighted-average common shares outstanding (in Shares)	27,084	23,575	25,451	23,460
Weighted-average diluted shares outstanding (in Shares)	27,084	23,575	25,451	23,460