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Summarizes Cost And Estimated Fair Value Of Short Term Fixed Income Securities (Detail) - USD ($) $ in Thousands	Apr. 01, 2016	Jan. 01, 2016
Fair Value Measurements [Line Items]
Due within one year, Amortized Cost	$ 18,479
Due between one and two years, Amortized Cost	38,000
Total Amortized Cost	56,479
Due within one year, Estimated Fair Value	18,498
Due between one and two years, Estimated Fair Value	38,014
Total Estimated Fair Value	$ 56,512	$ 45,842

X

- Definition

Available for sale securities short term investments amortized cost due in year one.

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- Definition

Available For Sale Securities Short Term Investments Amortized Cost Due In Year Two

+ References

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- Definition

Available For Sale Securities Short Term Investments Estimated Fair Value Due In Year One

+ References

No definition available.

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- Definition

Available For Sale Securities Short Term Investments Estimated Fair Value Due In Year Two

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.2)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Investments which are intended to be sold in the short term (usually less than one year or the normal operating cycle, whichever is longer) including trading securities, available-for-sale securities, held-to-maturity securities, and other short-term investments not otherwise listed in the existing taxonomy.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.2)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 1
-Subparagraph g
-Article 7

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