| Schedule of Cash Equivalents, Marketable Securities and Restricted Cash |
The following tables summarize these assets by significant investment categories and their classification within the fair value hierarchy and in our condensed consolidated balance sheets at the end of fiscal 2026 and the second quarter of fiscal 2027 (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | At the End of Fiscal 2026 | | Amortized Cost | | Gross Unrealized Gains | | Gross Unrealized Losses | | Fair Value | | Cash Equivalents | | Marketable Securities | | | | Level 1 | | | | | | | | | | | | | | | Money market accounts | $ | — | | | $ | — | | | $ | — | | | $ | 297,462 | | | $ | 297,462 | | | $ | — | | | | | Level 2 | | | | | | | | | | | | | | | U.S. government treasury notes | 289,069 | | | 790 | | | (95) | | | 289,764 | | | 19,387 | | | 270,377 | | | | | U.S. government agencies | 9,194 | | | 148 | | | (1) | | | 9,341 | | | — | | | 9,341 | | | | | Corporate debt securities | 335,347 | | | 2,341 | | | (1) | | | 337,687 | | | — | | | 337,687 | | | | | Foreign government bonds | 6,555 | | | 3 | | | — | | | 6,558 | | | — | | | 6,558 | | | | | Asset-backed securities | 47,768 | | | 324 | | | — | | | 48,092 | | | — | | | 48,092 | | | | | Municipal bonds | 20,381 | | | 18 | | | (8) | | | 20,391 | | | — | | | 20,391 | | | | | Total | $ | 708,314 | | | $ | 3,624 | | | $ | (105) | | | $ | 1,009,295 | | | $ | 316,849 | | | $ | 692,446 | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | At the End of the Second Quarter of Fiscal 2027 | | Amortized Cost | | Gross Unrealized Gains | | Gross Unrealized Losses | | Fair Value | | Cash Equivalents | | Marketable Securities | | | | | | Level 1 | | | | | | | | | | | | | | | | | Money market accounts | $ | — | | | $ | — | | | $ | — | | | $ | 250,187 | | | $ | 250,187 | | | $ | — | | | | | | | | | | | | | | | | | | | | | | | Level 2 | | | | | | | | | | | | | | | | | U.S. government treasury notes | 287,127 | | | 62 | | | (2,315) | | | 284,874 | | | 7,478 | | | 277,396 | | | | | | | U.S. government agencies | 7,372 | | | 5 | | | (34) | | | 7,343 | | | — | | | 7,343 | | | | | | | Corporate debt securities | 285,180 | | | 355 | | | (664) | | | 284,871 | | | — | | | 284,871 | | | | | | | Foreign government bonds | 3,149 | | | — | | | (6) | | | 3,143 | | | — | | | 3,143 | | | | | | | Asset-backed securities | 34,421 | | | 25 | | | (68) | | | 34,378 | | | — | | | 34,378 | | | | | | | Municipal bonds | 15,168 | | | — | | | (102) | | | 15,066 | | | — | | | 15,066 | | | | | | | Total | $ | 632,417 | | | $ | 447 | | | $ | (3,189) | | | $ | 879,862 | | | $ | 257,665 | | | $ | 622,197 | | | | | |
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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 Second Quarter of Fiscal 2027 | | Amortized Cost | | Fair Value | | Due within one year | $ | 176,724 | | | $ | 176,940 | | | Due in one to five years | 445,387 | | | 442,434 | | | Due in five to ten years | 2,828 | | | 2,823 | | | Total | $ | 624,939 | | | $ | 622,197 | |
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| Schedule of Gross Unrealized Losses and Fair Values |
The following table presents the fair values and gross unrealized losses for those investments that were in a continuous unrealized loss position at the end of fiscal 2026 and the second quarter of fiscal 2027, aggregated by investment category (in thousands): | | | | | | | | | | | | | | | | | | | | | At the End of Fiscal 2026 | | Less than 12 months | | | | | | Fair Value | | Unrealized Loss | | | | | | | | | | U.S. government treasury notes | $ | 85,422 | | | $ | (95) | | | | | | | | | | | U.S. government agencies | 2,999 | | | (1) | | | | | | | | | | | Corporate debt securities | 942 | | | (1) | | | | | | | | | | | Foreign government bonds | 2,970 | | | — | | | | | | | | | | | | | | | | | | | | | | | Municipal bonds | 6,610 | | | (8) | | | | | | | | | | | Total | $ | 98,943 | | | $ | (105) | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | At the End of the Second Quarter of Fiscal 2027 | | Less than 12 months | | | | | | Fair Value | | Unrealized Loss | | | | | | | | | | U.S. government treasury notes | $ | 235,913 | | | $ | (2,315) | | | | | | | | | | | U.S. government agencies | 4,146 | | | (34) | | | | | | | | | | | Corporate debt securities | 117,722 | | | (664) | | | | | | | | | | | Foreign government bonds | 3,143 | | | (6) | | | | | | | | | | | Asset-backed securities | 23,539 | | | (68) | | | | | | | | | | | Municipal bonds | 14,867 | | | (102) | | | | | | | | | | | Total | $ | 399,330 | | | $ | (3,189) | | | | | | | | | |
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