Cash, Cash Equivalents, and Investments - Summary of Available-for-Sale Investments (Detail) $ in Thousands	Apr. 02, 2017 USD ($)
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 688,269
Gross unrealized gains	1,282
Gross unrealized losses	(674)
Fair value	688,877
Treasury Bills
Schedule of Available-for-sale Securities [Line Items]
Gross unrealized losses	(246)
Treasury Bills \| Short-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	93,034
Gross unrealized gains	3
Gross unrealized losses	(154)
Fair value	92,883
Treasury Bills \| Long-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	53,459
Gross unrealized gains	3
Gross unrealized losses	(92)
Fair value	53,370
Euro Liquidity Fund \| Short-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	73,540
Gross unrealized gains	328
Gross unrealized losses	0
Fair value	73,868
Asset-Backed Securities
Schedule of Available-for-sale Securities [Line Items]
Gross unrealized losses	(38)
Asset-Backed Securities \| Short-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	58,657
Gross unrealized gains	15
Gross unrealized losses	(23)
Fair value	58,649
Asset-Backed Securities \| Long-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	42,990
Gross unrealized gains	72
Gross unrealized losses	(15)
Fair value	43,047
Corporate Bonds
Schedule of Available-for-sale Securities [Line Items]
Gross unrealized losses	(287)
Corporate Bonds \| Short-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	128,444
Gross unrealized gains	81
Gross unrealized losses	(18)
Fair value	128,507
Corporate Bonds \| Long-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	194,660
Gross unrealized gains	737
Gross unrealized losses	(269)
Fair value	195,128
Agency Bonds \| Short-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	7,600
Gross unrealized gains	20
Gross unrealized losses	0
Fair value	7,620
Agency Bonds \| Long-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	2,710
Gross unrealized gains	18
Gross unrealized losses	0
Fair value	2,728
Sovereign Bonds
Schedule of Available-for-sale Securities [Line Items]
Gross unrealized losses	(103)
Sovereign Bonds \| Short-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	12,357
Gross unrealized gains	3
Gross unrealized losses	(20)
Fair value	12,340
Sovereign Bonds \| Long-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	18,658
Gross unrealized gains	2
Gross unrealized losses	(83)
Fair value	18,577
Municipal Bonds \| Short-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	2,160
Gross unrealized gains	0
Gross unrealized losses	0
Fair value	$ 2,160

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale.

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale.

+ References

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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 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27161-111563

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Name Accounting Standards Codification
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27232-111563

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