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Cash, Cash Equivalents, and Investments - Effective Maturity Dates of Available-for-Sale Investments (Detail) $ in Thousands | Oct. 01, 2017 USD ($)
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Schedule of Available-for-sale Securities [Line Items] |
1 year or less | $ 273,261
1-2 years | 219,209
2-3 years | 98,288
3-4 years | 17,223
4-5 years | 45,204
5-7 years | 6,577
Fair value | 659,762
Corporate Bonds |
Schedule of Available-for-sale Securities [Line Items] |
1 year or less | 65,569
1-2 years | 109,918
2-3 years | 77,430
3-4 years | 17,223
4-5 years | 39,956
5-7 years | 1,413
Fair value | 311,509
Treasury Bills |
Schedule of Available-for-sale Securities [Line Items] |
1 year or less | 70,184
1-2 years | 63,602
2-3 years | 0
3-4 years | 0
4-5 years | 0
5-7 years | 0
Fair value | 133,786
Asset-Backed Securities |
Schedule of Available-for-sale Securities [Line Items] |
1 year or less | 47,840
1-2 years | 35,502
2-3 years | 16,075
3-4 years | 0
4-5 years | 2,328
5-7 years | 5,164
Fair value | 106,909
Euro Liquidity Fund |
Schedule of Available-for-sale Securities [Line Items] |
1 year or less | 52,312
1-2 years | 0
2-3 years | 0
3-4 years | 0
4-5 years | 0
5-7 years | 0
Fair value | 52,312
Sovereign Bonds |
Schedule of Available-for-sale Securities [Line Items] |
1 year or less | 20,945
1-2 years | 4,599
2-3 years | 3,427
3-4 years | 0
4-5 years | 0
5-7 years | 0
Fair value | 28,971
Agency Bonds |
Schedule of Available-for-sale Securities [Line Items] |
1 year or less | 7,606
1-2 years | 2,719
2-3 years | 0
3-4 years | 0
4-5 years | 2,920
5-7 years | 0
Fair value | 13,245
Municipal Bonds |
Schedule of Available-for-sale Securities [Line Items] |
1 year or less | 8,805
1-2 years | 2,869
2-3 years | 1,356
3-4 years | 0
4-5 years | 0
5-7 years | 0
Fair value | $ 13,030

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