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Revenue from Contract with Customers (Tables) | 12 Months Ended
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Mar. 26, 2021
Revenue from Contract with Customer [Abstract] |
Net Sales by Core End Market and Application | Net sales by core end market and application:
|  |  | Fiscal Year Ended
|  |  |  |  | March 26, 2021 |  | March 27, 2020 |  |
Core end market: |  |  |  |  |  |  |  |  |
Automotive |  |  |  |  | $ | 398,298 |  |  | $ | 395,277 |  |  |
Industrial |  |  |  |  | 94,872 |  |  | 78,399 |  |  |
Other |  |  |  |  | 98,037 |  |  | 68,622 |  |  |
Other applications: |  |  |  |  |  |  |  |  |
Wafer foundry products |  |  |  |  | — |  |  | 72,370 |  |  |
Distribution of Sanken products |  |  |  |  | — |  |  | 35,421 |  |  |
Total net sales |  |  |  |  | $ | 591,207 |  |  | $ | 650,089 |  |  |
Revenue from External Customers by Products and Services | Net sales by product:
|  |  | Fiscal Year Ended
|  |  |  |  | March 26, 2021 |  | March 27, 2020 |  |
Power integrated circuits (“PIC”) |  |  |  |  | $ | 203,600 |  |  | $ | 165,911 |  |  |
Magnetic sensors (“MS”) |  |  |  |  | 386,372 |  |  | 376,387 |  |  |
Photonics |  |  |  |  | 1,235 |  |  | — |  |  |
Wafer foundry products |  |  |  |  | — |  |  | 72,370 |  |  |
Distribution of Sanken products |  |  |  |  | — |  |  | 35,421 |  |  |
Total net sales |  |  |  |  | $ | 591,207 |  |  | $ | 650,089 |  |  |
Revenue from External Customers by Geographic Areas | Net sales by geography:
|  |  | Fiscal Year Ended
|  |  |  |  | March 26, 2021 |  | March 27, 2020 |  |
Americas: |  |  |  |  |  |  |  |  |
United States |  |  |  |  | $ | 82,165 |  |  | $ | 119,139 |  |  |
Other Americas |  |  |  |  | 16,558 |  |  | 20,883 |  |  |
EMEA: |  |  |  |  |  |  |  |  |
Europe |  |  |  |  | 103,128 |  |  | 110,126 |  |  |
Asia: |  |  |  |  |  |  |  |  |
Japan |  |  |  |  | 104,661 |  |  | 184,557 |  |  |
Greater China |  |  |  |  | 157,546 |  |  | 121,807 |  |  |
South Korea |  |  |  |  | 62,075 |  |  | 54,707 |  |  |
Other Asia |  |  |  |  | 65,074 |  |  | 38,870 |  |  |
Total net sales |  |  |  |  | $ | 591,207 |  |  | $ | 650,089 |  |  |

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