Cash, Cash Equivalents, and Investments - Effective Maturity Dates of Available-for-Sale Investments (Detail) $ in Thousands	Jul. 02, 2017 USD ($)
Schedule of Available-for-sale Securities [Line Items]
1 year or less	$ 342,402
1-2 years	199,145
2-3 years	112,609
3-4 years	7,602
4-5 years	32,447
5-7 years	2,855
Fair value	697,060
Corporate Bonds
Schedule of Available-for-sale Securities [Line Items]
1 year or less	86,000
1-2 years	112,337
2-3 years	86,773
3-4 years	7,602
4-5 years	32,447
5-7 years	0
Fair value	325,159
Treasury Bills
Schedule of Available-for-sale Securities [Line Items]
1 year or less	97,018
1-2 years	55,545
2-3 years	0
3-4 years	0
4-5 years	0
5-7 years	0
Fair value	152,563
Asset-Backed Securities
Schedule of Available-for-sale Securities [Line Items]
1 year or less	42,449
1-2 years	21,856
2-3 years	20,100
3-4 years	0
4-5 years	0
5-7 years	2,855
Fair value	87,260
Euro Liquidity Fund
Schedule of Available-for-sale Securities [Line Items]
1 year or less	79,256
1-2 years	0
2-3 years	0
3-4 years	0
4-5 years	0
5-7 years	0
Fair value	79,256
Sovereign Bonds
Schedule of Available-for-sale Securities [Line Items]
1 year or less	24,454
1-2 years	3,819
2-3 years	2,660
3-4 years	0
4-5 years	0
5-7 years	0
Fair value	30,933
Agency Bonds
Schedule of Available-for-sale Securities [Line Items]
1 year or less	7,610
1-2 years	2,726
2-3 years	3,076
3-4 years	0
4-5 years	0
5-7 years	0
Fair value	13,412
Municipal Bonds
Schedule of Available-for-sale Securities [Line Items]
1 year or less	5,615
1-2 years	2,862
2-3 years	0
3-4 years	0
4-5 years	0
5-7 years	0
Fair value	$ 8,477