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Note 11 (Details) - Summary of Securities - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Jun. 27, 2015	Sep. 27, 2014
Note 11 (Details) - Summary of Securities [Line Items]
Amortized cost - available for sale	$ 105,727	$ 129,473
Gross unrealized gains - available for sale	273	760
Gross unrealized losses - available for sale	2,648	2,116
Fair market value - available for sale	103,352	128,117
Amortized cost - held to maturity		2,000
Gross unrealized gains - held to maturity		0
Gross unrealized losses - held to maturity		13
Fair market value - held to maturity		1,987
Mutual Funds [Member]
Note 11 (Details) - Summary of Securities [Line Items]
Amortized cost - available for sale	92,605	129,473
Gross unrealized gains - available for sale	241	760
Gross unrealized losses - available for sale	2,530	2,116
Fair market value - available for sale	90,316	128,117
Preferred Stock [Member]
Note 11 (Details) - Summary of Securities [Line Items]
Amortized cost - available for sale	13,122
Gross unrealized gains - available for sale	32
Gross unrealized losses - available for sale	118
Fair market value - available for sale	$ 13,036
US Government Corporations and Agencies Securities [Member]
Note 11 (Details) - Summary of Securities [Line Items]
Amortized cost - held to maturity		2,000
Gross unrealized gains - held to maturity		0
Gross unrealized losses - held to maturity		13
Fair market value - held to maturity		$ 1,987

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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