Cash, Cash Equivalents, and Investments - Effective Maturity Dates of Available-for-Sale Investments (Detail) $ in Thousands	Jul. 05, 2015 USD ($)
Schedule of Available-for-sale Securities [Line Items]
1 year or less	$ 223,464
1-2 years	120,632
2-3 years	75,177
3-4 years	22,761
4-5 years	12,642
5-8 years	584
Fair value	455,260
Corporate Bonds
Schedule of Available-for-sale Securities [Line Items]
1 year or less	39,071
1-2 years	84,541
2-3 years	66,216
3-4 years	19,360
4-5 years	5,795
5-8 years	0
Fair value	214,983
Treasury Bills
Schedule of Available-for-sale Securities [Line Items]
1 year or less	75,431
1-2 years	5,101
2-3 years	1,404
3-4 years	0
4-5 years	0
5-8 years	0
Fair value	81,936
Asset-Backed Securities
Schedule of Available-for-sale Securities [Line Items]
1 year or less	37,894
1-2 years	23,627
2-3 years	3,752
3-4 years	3,401
4-5 years	6,847
5-8 years	584
Fair value	76,105
Euro Liquidity Fund
Schedule of Available-for-sale Securities [Line Items]
1 year or less	63,163
1-2 years	0
2-3 years	0
3-4 years	0
4-5 years	0
5-8 years	0
Fair value	63,163
Sovereign Bonds
Schedule of Available-for-sale Securities [Line Items]
1 year or less	6,095
1-2 years	2,010
2-3 years	0
3-4 years	0
4-5 years	0
5-8 years	0
Fair value	8,105
Municipal Bonds
Schedule of Available-for-sale Securities [Line Items]
1 year or less	1,810
1-2 years	4,373
2-3 years	501
3-4 years	0
4-5 years	0
5-8 years	0
Fair value	6,684
Agency Bonds
Schedule of Available-for-sale Securities [Line Items]
1 year or less	0
1-2 years	980
2-3 years	3,304
3-4 years	0
4-5 years	0
5-8 years	0
Fair value	$ 4,284