Details of Other Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 28, 2012	Sep. 28, 2012
Current
Deferred rent	$ 48	$ 53
Capital lease obligations	264	321
Accrued royalties	364	379
Accrued license fees	486	860
Accrued income taxes	652	707
Restructuring	892	427
Accrued interest	683	913
Escrow payable	3,491	3,491
Accrued professional fees	900	837
Other	1,809	2,673
Total other current liabilities	9,589	10,661
Long-term
Deferred rent	4,979	5,044
Capital lease obligations	58	68
Licensed intangibles payable	713	699
Other	1,103	956
Total other liabilities	$ 6,853	$ 6,767