Cash, Cash Equivalents, and Investments - Summary of Available-for-Sale Investments (Detail) $ in Thousands	Jul. 02, 2017 USD ($)
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 696,124
Gross unrealized gains	1,576
Gross unrealized losses	(640)
Fair value	697,060
Treasury Bills
Schedule of Available-for-sale Securities [Line Items]
Gross unrealized losses	(326)
Treasury Bills | Short-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	97,218
Gross unrealized gains	0
Gross unrealized losses	(200)
Fair value	97,018
Treasury Bills | Long-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	55,671
Gross unrealized gains	0
Gross unrealized losses	(126)
Fair value	55,545
Corporate Bonds
Schedule of Available-for-sale Securities [Line Items]
Gross unrealized losses	(190)
Corporate Bonds | Short-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	85,918
Gross unrealized gains	85
Gross unrealized losses	(3)
Fair value	86,000
Corporate Bonds | Long-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	238,417
Gross unrealized gains	929
Gross unrealized losses	(187)
Fair value	239,159
Euro Liquidity Fund | Short-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	78,824
Gross unrealized gains	432
Gross unrealized losses	0
Fair value	79,256
Asset-Backed Securities
Schedule of Available-for-sale Securities [Line Items]
Gross unrealized losses	(37)
Asset-Backed Securities | Short-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	42,467
Gross unrealized gains	2
Gross unrealized losses	(20)
Fair value	42,449
Asset-Backed Securities | Long-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	44,733
Gross unrealized gains	95
Gross unrealized losses	(17)
Fair value	44,811
Sovereign Bonds
Schedule of Available-for-sale Securities [Line Items]
Gross unrealized losses	(86)
Sovereign Bonds | Short-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	24,495
Gross unrealized gains	4
Gross unrealized losses	(45)
Fair value	24,454
Sovereign Bonds | Long-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	6,519
Gross unrealized gains	1
Gross unrealized losses	(41)
Fair value	6,479
Agency Bonds
Schedule of Available-for-sale Securities [Line Items]
Gross unrealized losses	(1)
Agency Bonds | Short-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	7,600
Gross unrealized gains	10
Gross unrealized losses	0
Fair value	7,610
Agency Bonds | Long-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	5,787
Gross unrealized gains	16
Gross unrealized losses	(1)
Fair value	5,802
Municipal Bonds | Short-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	5,615
Gross unrealized gains	0
Gross unrealized losses	0
Fair value	5,615
Municipal Bonds | Long-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	2,860
Gross unrealized gains	2
Gross unrealized losses	0
Fair value	$ 2,862