SCHEDULE II CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS (Details) (USD $)	12 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 24, 2011
Allowance for uncollectible accounts
Valuation and qualifying accounts
BALANCE AT BEGINNING OF PERIOD	$ 944,000	$ 789,000	$ 968,000
ADDITIONS CHARGED TO REVENUES AND EXPENSES	139,000	199,000	868,000
DEDUCTIONS	143,000	44,000	1,047,000
BALANCE AT END OF PERIOD	940,000	944,000	789,000
Returns allowance
Valuation and qualifying accounts
BALANCE AT BEGINNING OF PERIOD	2,496,000	2,377,000	2,108,000
ADDITIONS CHARGED TO REVENUES AND EXPENSES	1,972,000	3,332,000	3,823,000
DEDUCTIONS	2,396,000	3,213,000	3,554,000
BALANCE AT END OF PERIOD	$ 2,072,000	$ 2,496,000	$ 2,377,000