Cash, Cash Equivalents, and Investments - Effective Maturity Dates of Available-for-Sale Investments (Detail) $ in Thousands	Apr. 03, 2016 USD ($)
Schedule of Available-for-sale Securities [Line Items]
1 year or less	$ 319,789
1-2 years	143,108
2-3 years	91,537
3-4 years	7,849
4-5 years	6,008
5-7 Years	316
Fair value	568,607
Corporate Bonds
Schedule of Available-for-sale Securities [Line Items]
1 year or less	74,627
1-2 years	77,318
2-3 years	73,926
3-4 years	4,563
4-5 years	3,414
5-7 Years	0
Fair value	233,848
Treasury Bills
Schedule of Available-for-sale Securities [Line Items]
1 year or less	106,602
1-2 years	33,935
2-3 years	9,003
3-4 years	0
4-5 years	0
5-7 Years	0
Fair value	149,540
Asset-Backed Securities
Schedule of Available-for-sale Securities [Line Items]
1 year or less	64,478
1-2 years	12,311
2-3 years	8,608
3-4 years	3,286
4-5 years	2,594
5-7 Years	316
Fair value	91,593
Euro Liquidity Fund
Schedule of Available-for-sale Securities [Line Items]
1 year or less	50,094
1-2 years	0
2-3 years	0
3-4 years	0
4-5 years	0
5-7 Years	0
Fair value	50,094
Sovereign Bonds
Schedule of Available-for-sale Securities [Line Items]
1 year or less	22,684
1-2 years	6,805
2-3 years	0
3-4 years	0
4-5 years	0
5-7 Years	0
Fair value	29,489
Agency Bonds
Schedule of Available-for-sale Securities [Line Items]
1 year or less	980
1-2 years	8,195
2-3 years	0
3-4 years	0
4-5 years	0
5-7 Years	0
Fair value	9,175
Municipal Bonds
Schedule of Available-for-sale Securities [Line Items]
1 year or less	324
1-2 years	4,544
2-3 years	0
3-4 years	0
4-5 years	0
5-7 Years	0
Fair value	$ 4,868