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Property, Plant and Equipment, net - Schedule of Long Lived Assets (Detail) - USD ($) $ in Thousands | Dec. 25, 2020 | Mar. 27, 2020 | Mar. 29, 2019
--- | --- | --- | ---
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Total | $ 215,710 | $ 333,646 | $ 348,623
United States |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Total | 35,894 | 152,536 | 151,221
Philippines |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Total | 136,284 | 106,618 | 109,485
Thailand |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Total | 34,226 | 62,380 | 72,468
Other |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Total | $ 9,306 | $ 12,112 | $ 15,449

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