Other Assets and Amounts Due to / Due From Affiliates (Other Assets) (Details) (USD $)													3 Months Ended
	Dec. 28, 2013	Jan. 16, 2013	Dec. 29, 2012	Dec. 28, 2013 KoBrite	Dec. 29, 2012 KoBrite	Dec. 28, 2013 Advanced Wireless Semiconductor Company	Dec. 29, 2012 Advanced Wireless Semiconductor Company	Dec. 28, 2013 WIN Semiconductor Corporation	Dec. 29, 2012 WIN Semiconductor Corporation	Dec. 28, 2013 Vuzix	Dec. 29, 2012 Investee Advanced Wireless Semiconductor Company	Dec. 29, 2012 Investee Vuzix	Dec. 28, 2013 Investee Ask Ziggy	Dec. 29, 2012 Investee Ask Ziggy
Schedule of Other Assets, Including Investments in Affiliates [Line Items]
Equity Method Investment, Other than Temporary Impairment													$ 2,500,000
Available-for-sale Securities, Fair Value Disclosure	95,972,535		65,349,962						1,400,000		1,800,000	1,400,000
Notes, Loans and Financing Receivable, Gross, Noncurrent		14,900,000
Marketable Equity Securities						0	1,764,657	0	1,410,388
Non-Marketable Securities - Equity Method Investments				1,421,592	1,828,404
Non-Marketable Securities - Cost Based Investments	0		3,485,394
Other Assets										1,433,102
Other	169,764		119,039
Total Other Assets	3,024,458		8,607,882
Available-for-sale Equity Securities, Amortized Cost Basis									$ 0		$ 700,000	$ 0		$ 0