| Fair Value, Assets and Liabilities Measured on Recurring Basis |
The tables below set forth, by level, the Company’s assets and liabilities that are measured at fair value on a recurring basis. The tables do not include assets and liabilities that are measured at historical cost or any basis other than fair value (in thousands): | | | | | | | | | | | | | | | | | | Fair Value Measurements at February 3, 2018 | | Level 1 | | Level 2 | | Level 3 | | Total | Items measured at fair value on a recurring basis: | | | | | | | | Assets | | | | | | | | Cash equivalents: | | | | | | | | Money market funds | $ | 18,503 |
| | $ | — |
| | $ | — |
| | $ | 18,503 |
| Time deposits | — |
| | 65,117 |
| | — |
| | 65,117 |
| U.S. government and agency debt | 51,589 |
| | — |
| | — |
| | 51,589 |
| Municipal debt securities | — |
| | 5,290 |
| | — |
| | 5,290 |
| Corporate debt securities | — |
| | 127,076 |
| | — |
| | 127,076 |
| Short-term investments: | | | | | | | | Time deposits | — |
| | 150,000 |
| | — |
| | 150,000 |
| U.S. government and agency debt | 247,741 |
| | — |
| | — |
| | 247,741 |
| Foreign government and agency debt | — |
| | 6,987 |
| | — |
| | 6,987 |
| Municipal debt securities | — |
| | 2,728 |
| | — |
| | 2,728 |
| Corporate debt securities | — |
| | 503,079 |
| | — |
| | 503,079 |
| Asset backed securities | — |
| | 42,255 |
| | — |
| | 42,255 |
| Other non-current assets: | | | | | | | | Severance pay fund | — |
| | 896 |
| | — |
| | 896 |
| Total assets | $ | 317,833 |
| | $ | 903,428 |
| | $ | — |
| | $ | 1,221,261 |
|
| | | | | | | | | | | | | | | | | | Fair Value Measurements at January 28, 2017 | | Level 1 | | Level 2 | | Level 3 | | Total | Items measured at fair value on a recurring basis: | | | | | | | | Assets | | | | | | | | Cash equivalents: | | | | | | | | Money market funds | $ | 36,122 |
| | $ | — |
| | $ | — |
| | $ | 36,122 |
| Time deposits | — |
| | 67,000 |
| | — |
| | 67,000 |
| U.S. government and agency debt | 17,497 |
| | — |
| | — |
| | 17,497 |
| Foreign government and agency debt
| — |
| | 1,500 |
| | — |
| | 1,500 |
| Municipal debt securities | — |
| | 8,740 |
| | — |
| | 8,740 |
| Corporate debt securities | — |
| | 31,280 |
| | — |
| | 31,280 |
| Short-term investments: | | | | | | | | Time deposits | — |
| | 150,000 |
| | — |
| | 150,000 |
| U.S. government and agency debt | 185,387 |
| | — |
| | — |
| | 185,387 |
| Foreign government and agency debt | — |
| | 13,375 |
| | — |
| | 13,375 |
| Municipal debt securities | — |
| | 27,871 |
| | — |
| | 27,871 |
| Corporate debt securities | — |
| | 432,108 |
| | — |
| | 432,108 |
| Asset backed securities | — |
| | 45,527 |
| | — |
| | 45,527 |
| Prepaid expenses and other current assets: | | | | | | | | Foreign currency forward contracts | — |
| | 735 |
| | — |
| | 735 |
| Long-term investments: | | | | | | | | Auction rate securities | — |
| | — |
| | 4,615 |
| | 4,615 |
| Other non-current assets: | | | | | | | | Severance pay fund | — |
| | 736 |
| | — |
| | 736 |
| Total assets | $ | 239,006 |
| | $ | 778,872 |
| | $ | 4,615 |
| | $ | 1,022,493 |
| Liabilities | | | | | | | | Accrued liabilities: | | | | | | | | Foreign currency forward contracts | $ | — |
| | $ | 58 |
| | $ | — |
| | $ | 58 |
|
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| Summary of Change in Fair Values for Level Three Assets |
The following table summarizes the change in fair values for Level 3 assets for the years ended February 3, 2018 and January 28, 2017 (in thousands): | | | | | | Level 3 | Changes in fair value during the year (pre-tax): | | Balance at January 30, 2016 | $ | 11,296 |
| Sales, redemption and settlement | (6,681 | ) | Unrealized gain included in accumulated other comprehensive income | — |
| Balance at January 28, 2017 | 4,615 |
| Sales, redemption and settlement | (4,550 | ) | Realized loss | (65 | ) | Balance at February 3, 2018 | $ | — |
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