Cash, Cash Equivalents, and Investments - Summary of Available-for-Sale Investments (Detail) $ in Thousands	Apr. 03, 2016 USD ($)
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 568,703
Gross unrealized gains	757
Gross unrealized losses	(853)
Fair value	568,607
Treasury Bills
Schedule of Available-for-sale Securities [Line Items]
Gross unrealized losses	(18)
Treasury Bills | Short-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	106,592
Gross unrealized gains	20
Gross unrealized losses	(10)
Fair value	106,602
Treasury Bills | Long-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	42,868
Gross unrealized gains	78
Gross unrealized losses	(8)
Fair value	42,938
Euro Liquidity Fund | Short-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	49,951
Gross unrealized gains	143
Gross unrealized losses	0
Fair value	50,094
Asset-Backed Securities
Schedule of Available-for-sale Securities [Line Items]
Gross unrealized losses	(91)
Asset-Backed Securities | Short-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	64,508
Gross unrealized gains	10
Gross unrealized losses	(40)
Fair value	64,478
Asset-Backed Securities | Long-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	27,150
Gross unrealized gains	16
Gross unrealized losses	(51)
Fair value	27,115
Corporate Bonds
Schedule of Available-for-sale Securities [Line Items]
Gross unrealized losses	(726)
Corporate Bonds | Short-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	74,589
Gross unrealized gains	73
Gross unrealized losses	(35)
Fair value	74,627
Corporate Bonds | Long-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	159,520
Gross unrealized gains	392
Gross unrealized losses	(691)
Fair value	159,221
Agency Bonds
Schedule of Available-for-sale Securities [Line Items]
Gross unrealized losses	(4)
Agency Bonds | Short-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	980
Gross unrealized gains	0
Gross unrealized losses	0
Fair value	980
Agency Bonds | Long-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	8,199
Gross unrealized gains	0
Gross unrealized losses	(4)
Fair value	8,195
Sovereign Bonds
Schedule of Available-for-sale Securities [Line Items]
Gross unrealized losses	(14)
Sovereign Bonds | Short-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	22,693
Gross unrealized gains	1
Gross unrealized losses	(10)
Fair value	22,684
Sovereign Bonds | Long-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	6,806
Gross unrealized gains	3
Gross unrealized losses	(4)
Fair value	6,805
Municipal Bonds | Short-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	322
Gross unrealized gains	2
Gross unrealized losses	0
Fair value	324
Municipal Bonds | Long-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	4,525
Gross unrealized gains	19
Gross unrealized losses	0
Fair value	$ 4,544