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Goodwill and Intangible Assets - Schedule of Intangible Assets, Net (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 26, 2021 | Mar. 27, 2020
Finite-Lived Intangible Assets [Line Items] |  |
Gross | $ 56,953 | $ 36,867
Accumulated Amortization | 20,587 | 16,909
Net Carrying Amount | 36,366 | 19,958
Patents |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross | 32,751 | 29,115
Accumulated Amortization | 12,307 | 9,834
Net Carrying Amount | $ 20,444 | $ 19,281
Weighted- Average Lives | 10 years | 10 years
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross | $ 6,193 | $ 5,462
Accumulated Amortization | 5,865 | 5,335
Net Carrying Amount | $ 328 | $ 127
Weighted- Average Lives | 9 years | 9 years
Process technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross | $ 13,100 | $ 1,650
Accumulated Amortization | 651 | 1,650
Net Carrying Amount | $ 12,449 | 0
Weighted- Average Lives | 12 years |
Indefinite-lived and legacy process technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross | $ 4,050 |
Accumulated Amortization | 1,650 |
Net Carrying Amount | 2,400 |
Trademarks |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross | 200 |
Accumulated Amortization | 24 |
Net Carrying Amount | $ 176 |
Weighted- Average Lives | 5 years |
Legacy trademarks |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross | $ 627 | 608
Accumulated Amortization | 58 | 58
Net Carrying Amount | 569 | 550
Other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross | 32 | 32
Accumulated Amortization | 32 | 32
Net Carrying Amount | $ 0 | $ 0

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