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v3.19.1

Marketable Securities (Tables) | 12 Months Ended
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Mar. 30, 2019
Marketable Securities [Abstract] |
Schedule of Available-for-sale Securities | The following table is a summary of available-for-sale securities (in thousands):
As of March 30, 2019 | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value (Net Carrying Amount)
Corporate debt securities | $ | 215,098 |  |  | $ | 1,027 |  |  | $ | (600 | ) |  | $ | 215,525 |
Non-US government securities | 13,209 |  |  | 8 |  |  | (40 | ) |  | 13,177 |
Agency discount notes | 450 |  |  | — |  |  | (1 | ) |  | 449 |
Total securities | $ | 228,757 |  |  | $ | 1,035 |  |  | $ | (641 | ) |  | $ | 229,151 |
As of March 31, 2018 | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value (Net Carrying Amount)
Corporate debt securities | $ | 185,636 |  |  | $ | 4 |  |  | $ | (2,318 | ) |  | $ | 183,322 |
Non-US government securities | 14,730 |  |  | — |  |  | (111 | ) |  | 14,619 |
Certificates of deposit | 500 |  |  | — |  |  | — |  |  | 500 |
Agency discount notes | 459 |  |  | — |  |  | (4 | ) |  | 455 |
Total securities | $ | 201,325 |  |  | $ | 4 |  |  | $ | (2,433 | ) |  | $ | 198,896 |
Schedule of Cost and Estimated Fair Value of Available-for-sale Securities by Contractual Maturity | The cost and estimated fair value of available-for-sale investments by contractual maturity were as follows:
| March 30, 2019 |  | March 31, 2018
| Amortized Cost |  | Estimated Fair Value |  | Amortized Cost |  | Estimated Fair Value
Within 1 year | $ | 70,490 |  |  | $ | 70,183 |  |  | $ | 26,560 |  |  | $ | 26,397 |
After 1 year | 158,267 |  |  | 158,968 |  |  | 174,765 |  |  | 172,499 |
Total | $ | 228,757 |  |  | $ | 229,151 |  |  | $ | 201,325 |  |  | $ | 198,896 |

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- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
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- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
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