Note 11 (Details) - Summary of Securities (USD $) In Thousands, unless otherwise specified	3 Months Ended
Jun. 29, 2013	Sep. 29, 2012
Note 11 (Details) - Summary of Securities [Line Items]
Amortized Cost - Held To Maturity	$ 5,498	$ 26,212
Gross Unrealized Gains - Held To Maturity		126
Gross Unrealized Losses - Held To Maturity	36
Fair Market Value - Held To Maturity	5,462	26,338
Amortized Cost - Available For Sale	110,000
Gross Unrealized Gains - Available For Sale	70
Gross Unrealized Losses - Available For Sale	2,558
Fair Market Value - Available For Sale	107,512
Guaranteed Investment Contract [Member]
Note 11 (Details) - Summary of Securities [Line Items]
Amortized Cost - Held To Maturity	3,243
Fair Market Value - Held To Maturity	3,243
US Government Corporations and Agencies Securities [Member]
Note 11 (Details) - Summary of Securities [Line Items]
Amortized Cost - Held To Maturity	2,000	24,998
Gross Unrealized Gains - Held To Maturity		126
Gross Unrealized Losses - Held To Maturity	36
Fair Market Value - Held To Maturity	1,964	25,124
Certificates of Deposit [Member]
Note 11 (Details) - Summary of Securities [Line Items]
Amortized Cost - Held To Maturity	255	1,214
Fair Market Value - Held To Maturity	255	1,214
Mutual Funds [Member]
Note 11 (Details) - Summary of Securities [Line Items]
Amortized Cost - Available For Sale	110,000
Gross Unrealized Gains - Available For Sale	70
Gross Unrealized Losses - Available For Sale	2,558
Fair Market Value - Available For Sale	$ 107,512

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

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This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities.

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Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale securities.

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Amount before other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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Fair value of investments in debt securities classified as held-to-maturity.

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Amount of unrecognized gain before loss on investments in held-to-maturity securities.

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Amount of unrecognized loss before gain on investments in held-to-maturity securities. Excludes write-down for other than temporary impairment (OTTI).

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