Cash, Cash Equivalents and Investments (Details 3) (USD $) In Thousands, unless otherwise specified	Sep. 27, 2014
Contractual maturity of marketable debt investments
Marketable Investments, Debt Maturities, Within One Year, Amortized Cost	$ 52,401
Marketable Investments, Debt Maturities, Year One Through Three, Amortized Cost	40,210
Marketable investments, Debt Maturities, Amortized Cost, Total	92,611
Marketable Investments, Debt Maturities, Within One Year, Fair Value	52,423
Marketable Investments, Debt Maturities, Year One Through Three, Fair Value	40,215
Marketable Investments, Debt Maturities, Fair Value, Total	$ 92,638

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

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

This item represents the cost of debt 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

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-Subparagraph (SX 210.5-02.2)

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- Definition

Amount after adjustments of available-for-sale debt securities at cost, 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 cumulative-effect adjustments, and fair value hedge accounting adjustments. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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-Subparagraph (SX 210.5-02.2)

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- Definition

Fair value of available-for-sale debt securities maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

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

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