Cash, Cash Equivalents and Investments (Details 3) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2013
Contractual maturity of marketable debt investments
Marketable Investments, Debt Maturities, Within One Year, Amortized Cost	$ 48,949
Marketable Investments, Debt Maturities, Year One Through Three, Amortized Cost	44,924
Marketable investments, Debt Maturities, Amortized Cost, Total	93,873
Marketable Investments, Debt Maturities, Within One Year, Fair Value	48,983
Marketable Investments, Debt Maturities, Year One Through Three, Fair Value	44,970
Marketable Investments, Debt Maturities, Fair Value, Total	$ 93,953

Available for sale securities debt maturities year two through three amortized cost.

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Available for sale securities debt maturities year two through three fair value.

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Amount of available-for-sale debt securities at cost, net of adjustments, which include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments.

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Amount of available-for-sale debt securities at cost, net of adjustments, maturing in the next fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments.

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Amount of available-for-sale debt securities at fair value maturing in the next fiscal year following the latest fiscal year.

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Amount of debt securities categorized neither as held-to-maturity nor trading.

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