Discontinued Operations (Details) (USD $)	12 Months Ended
	Sep. 30, 2012	Oct. 02, 2011	Oct. 03, 2010
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Inventories	$ 26,844,000	$ 31,402,000
Property and equipment, net	3,747,000	4,041,000
Total assets of discontinued operations	30,591,000	35,443,000
Revenue	616,982,000	530,959,000	397,977,000
Operating loss before income tax benefit	(8,777,000)	(2,429,000)	(1,653,000)
Accelerated depreciation	6,000,000
Accelerated future lease commitments	$ 700,000