Financial Instruments - (Tables)
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9 Months Ended |
Nov. 06, 2022 |
Investments, Debt and Equity Securities [Abstract] |
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Schedule of Cash Equivalents, Marketable Securities and Restricted Cash |
The following tables summarize our cash equivalents, marketable securities and restricted cash by significant investment categories and their classification within the valuation hierarchy at the end of fiscal 2022 and the third quarter of fiscal 2023 (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | At the End of Fiscal 2022 | | Amortized Cost | | Gross Unrealized Gains | | Gross Unrealized Losses | | Fair Value | | Cash Equivalents | | Marketable Securities | | Restricted Cash | Level 1 | | | | | | | | | | | | | | Money market accounts | $ | — | | | $ | — | | | $ | — | | | $ | 29,275 | | | $ | 18,731 | | | $ | — | | | $ | 10,544 | | Level 2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | U.S. government treasury notes | 336,303 | | | 512 | | | (2,176) | | | 334,639 | | | — | | | 334,639 | | | — | | U.S. government agencies | 49,153 | | | 49 | | | (193) | | | 49,009 | | | — | | | 49,009 | | | — | | Corporate debt securities | 491,728 | | | 384 | | | (4,731) | | | 487,381 | | | 200 | | | 487,181 | | | — | | Foreign government bonds | 12,333 | | | 37 | | | (17) | | | 12,353 | | | — | | | 12,353 | | | — | | Asset-backed securities | 60,361 | | | 111 | | | (453) | | | 60,019 | | | — | | | 60,019 | | | — | | Municipal bonds | 3,950 | | | — | | | (78) | | | 3,872 | | | — | | | 3,872 | | | — | | Total | $ | 953,828 | | | $ | 1,093 | | | $ | (7,648) | | | $ | 976,548 | | | $ | 18,931 | | | $ | 947,073 | | | $ | 10,544 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | At the End of the Third Quarter of Fiscal 2023 | | Amortized Cost | | Gross Unrealized Gains | | Gross Unrealized Losses | | Fair Value | | Cash Equivalents | | Marketable Securities | | Restricted Cash | Level 1 | | | | | | | | | | | | | | Money market accounts | $ | — | | | $ | — | | | $ | — | | | $ | 297,756 | | | $ | 287,212 | | | $ | — | | | $ | 10,544 | | Level 2 | | | | | | | | | | | | | | U.S. government treasury notes | 235,143 | | | 1 | | | (5,901) | | | 229,243 | | | — | | | 229,243 | | | — | | U.S. government agencies | 28,792 | | | 1 | | | (496) | | | 28,297 | | | — | | | 28,297 | | | — | | Corporate debt securities | 382,577 | | | — | | | (13,876) | | | 368,701 | | | — | | | 368,701 | | | — | | Foreign government bonds | 4,798 | | | — | | | (79) | | | 4,719 | | | — | | | 4,719 | | | — | | Asset-backed securities | 35,855 | | | — | | | (1,374) | | | 34,481 | | | — | | | 34,481 | | | — | | Municipal bonds | 3,950 | | | — | | | (218) | | | 3,732 | | | — | | | 3,732 | | | — | | Total | $ | 691,115 | | | $ | 2 | | | $ | (21,944) | | | $ | 966,929 | | | $ | 287,212 | | | $ | 669,173 | | | $ | 10,544 | |
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Schedule of Amortized Cost and Estimated Fair Value |
The amortized cost and estimated fair value of our marketable securities are shown below by contractual maturity (in thousands): | | | | | | | | | | | | | At the End of the Third Quarter of Fiscal 2023 | | Amortized Cost | | Fair Value | Due within one year | $ | 362,127 | | | $ | 355,765 | | Due in one to five years | 328,988 | | | 313,408 | | | | | | Total | $ | 691,115 | | | $ | 669,173 | |
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Schedule of Gross Unrealized Losses and Fair Values |
The following table presents gross unrealized losses and fair values for those investments that were in a continuous unrealized loss position at the end of fiscal 2022 and the third quarter of fiscal 2023, aggregated by investment category (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | At the End of Fiscal 2022 | | Less than 12 months | | Greater than 12 months | | Total | | Fair Value | | Unrealized Loss | | Fair Value | | Unrealized Loss | | Fair Value | | Unrealized Loss | U.S. government treasury notes | $ | 193,359 | | | $ | (2,176) | | | $ | — | | | $ | — | | | $ | 193,359 | | | $ | (2,176) | | U.S. government agencies | 24,388 | | | (193) | | | — | | | — | | | 24,388 | | | (193) | | Corporate debt securities | 374,223 | | | (4,708) | | | 1,182 | | | (23) | | | 375,405 | | | (4,731) | | Foreign government bonds | 4,098 | | | (17) | | | — | | | — | | | 4,098 | | | (17) | | Asset-backed securities | 37,608 | | | (453) | | | — | | | — | | | 37,608 | | | (453) | | Municipal bonds | 3,872 | | | (78) | | | — | | | — | | | 3,872 | | | (78) | | Total | $ | 637,548 | | | $ | (7,625) | | | $ | 1,182 | | | $ | (23) | | | $ | 638,730 | | | $ | (7,648) | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | At the End of the Third Quarter of Fiscal 2023 | | Less than 12 months | | Greater than 12 months | | Total | | Fair Value | | Unrealized Loss | | Fair Value | | Unrealized Loss | | Fair Value | | Unrealized Loss | U.S. government treasury notes | $ | 133,188 | | | $ | (2,603) | | | $ | 94,973 | | | $ | (3,298) | | | $ | 228,161 | | | $ | (5,901) | | U.S. government agencies | 20,403 | | | (390) | | | 2,893 | | | (106) | | | 23,296 | | | (496) | | Corporate debt securities | 186,166 | | | (5,289) | | | 182,534 | | | (8,587) | | | 368,700 | | | (13,876) | | Foreign government bonds | 4,178 | | | (30) | | | 541 | | | (49) | | | 4,719 | | | (79) | | Asset-backed securities | 16,325 | | | (197) | | | 18,156 | | | (1,177) | | | 34,481 | | | (1,374) | | Municipal bonds | 1,401 | | | (108) | | | 2,331 | | | (110) | | | 3,732 | | | (218) | | Total | $ | 361,661 | | | $ | (8,617) | | | $ | 301,428 | | | $ | (13,327) | | | $ | 663,089 | | | $ | (21,944) | |
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