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Cash, Cash Equivalents, and Investments - Summary of Available-for-Sale Investments (Detail) (USD $) In Thousands, unless otherwise specified | Sep. 29, 2013
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Schedule of Available-for-sale Securities [Line Items] |
Amortized Cost | $ 408,858
Gross Unrealized Gains | 986
Gross Unrealized Losses | (871)
Fair Value | 408,973
Corporate Bonds [Member] |
Schedule of Available-for-sale Securities [Line Items] |
Fair Value | 210,341
Corporate Bonds [Member] | Short-Term Investments [Member] |
Schedule of Available-for-sale Securities [Line Items] |
Amortized Cost | 104,580
Gross Unrealized Gains | 270
Gross Unrealized Losses | (130)
Fair Value | 104,720
Corporate Bonds [Member] | Long-Term Investments [Member] |
Schedule of Available-for-sale Securities [Line Items] |
Amortized Cost | 105,251
Gross Unrealized Gains | 513
Gross Unrealized Losses | (143)
Fair Value | 105,621
Asset-Backed Securities [Member] |
Schedule of Available-for-sale Securities [Line Items] |
Fair Value | 69,928
Asset-Backed Securities [Member] | Short-Term Investments [Member] |
Schedule of Available-for-sale Securities [Line Items] |
Amortized Cost | 41,600
Gross Unrealized Gains | 7
Gross Unrealized Losses | (338)
Fair Value | 41,269
Asset-Backed Securities [Member] | Long-Term Investments [Member] |
Schedule of Available-for-sale Securities [Line Items] |
Amortized Cost | 28,810
Gross Unrealized Gains | 10
Gross Unrealized Losses | (161)
Fair Value | 28,659
Municipal Bonds [Member] |
Schedule of Available-for-sale Securities [Line Items] |
Fair Value | 28,005
Municipal Bonds [Member] | Short-Term Investments [Member] |
Schedule of Available-for-sale Securities [Line Items] |
Amortized Cost | 16,969
Gross Unrealized Gains | 44
Fair Value | 17,013
Municipal Bonds [Member] | Long-Term Investments [Member] |
Schedule of Available-for-sale Securities [Line Items] |
Amortized Cost | 10,957
Gross Unrealized Gains | 45
Gross Unrealized Losses | (10)
Fair Value | 10,992
Treasury Bills [Member] |
Schedule of Available-for-sale Securities [Line Items] |
Fair Value | 69,277
Treasury Bills [Member] | Short-Term Investments [Member] |
Schedule of Available-for-sale Securities [Line Items] |
Amortized Cost | 11,647
Gross Unrealized Gains | 7
Fair Value | 11,654
Treasury Bills [Member] | Long-Term Investments [Member] |
Schedule of Available-for-sale Securities [Line Items] |
Amortized Cost | 57,604
Gross Unrealized Gains | 24
Gross Unrealized Losses | (5)
Fair Value | 57,623
Sovereign Bonds [Member] |
Schedule of Available-for-sale Securities [Line Items] |
Fair Value | 29,923
Sovereign Bonds [Member] | Short-Term Investments [Member] |
Schedule of Available-for-sale Securities [Line Items] |
Amortized Cost | 8,554
Gross Unrealized Gains | 9
Gross Unrealized Losses | (10)
Fair Value | 8,553
Sovereign Bonds [Member] | Long-Term Investments [Member] |
Schedule of Available-for-sale Securities [Line Items] |
Amortized Cost | 21,386
Gross Unrealized Gains | 57
Gross Unrealized Losses | (73)
Fair Value | 21,370
Agency Bonds [Member] |
Schedule of Available-for-sale Securities [Line Items] |
Fair Value | 1,499
Agency Bonds [Member] | Short-Term Investments [Member] |
Schedule of Available-for-sale Securities [Line Items] |
Amortized Cost | 1,500
Gross Unrealized Losses | (1)
Fair Value | $ 1,499

X
- Definition Amount of accumulated pre-tax unrealized gain before deducting pre-tax unrealized losses on investments in available-for-sale securities impacting investments. + References No definition available. + Details
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- Definition Amount of accumulated pre-tax unrealized loss before deducting pre-tax unrealized gain on investments in available-for-sale securities impacting investments. + References No definition available. + Details
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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 No definition available. + Details
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- Definition Amount of debt securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -Subparagraph (b)-(g) -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 + Details
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