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Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Mar. 25, 2023 | Mar. 26, 2022 | Mar. 27, 2021
Inventory Disclosure [Abstract] |  |  |
Inventory write-down | $ 9,900 | $ 6,500 |
Property, Plant and Equipment, Net [Abstract] |  |  |
Equipment disposal charges, net of recovery | 1,300 |  |
Gain on sale of assets | 0 | 0 | $ 0
Depreciation and amortization expense on property, plant and equipment | 27,100 | 24,800 | 24,900
Intangible Assets, Net (Including Goodwill) [Abstract] |  |  |
Impairment of goodwill | 0 | 0 | 0
Intangibles impairment | 85,760 | 0 | 0
Marketing and Advertising Expense [Abstract] |  |  |
Advertising costs | $ 500 | $ 900 | $ 900
Government Assistance [Abstract] |  |  |
Government Assistance, Statement of Income or Comprehensive Income [Extensible Enumeration] | Research and development | Research and development |
Earnings Per Share [Abstract] |  |  |
Weighted outstanding options excluded from diluted calculation (in shares) | 268 | 113 | 187
Research and Development Expenditure Credit (“RDEC”) |  |  |
Government Assistance [Abstract] |  |  |
Government assistance, amount | $ 26,200 | $ 23,200 |
Government assistance, amount, cumulative | $ 47,000 |  |
Foxconn | Accounts Receivable | Customer Concentration Risk |  |  |
Concentration Of Credit Risk [Abstract] |  |  |
Concentration risk, percentage | 35.00% | 49.00% |
Pegatron | Accounts Receivable | Customer Concentration Risk |  |  |
Concentration Of Credit Risk [Abstract] |  |  |
Concentration risk, percentage | 16.00% | 17.00% |
Luxshare Precision | Accounts Receivable | Customer Concentration Risk |  |  |
Concentration Of Credit Risk [Abstract] |  |  |
Concentration risk, percentage | 11.00% |  |
Ten Largest Customers | Sales Revenue, Net | Customer Concentration Risk |  |  |
Concentration Of Credit Risk [Abstract] |  |  |
Concentration risk, percentage | 92.00% | 93.00% | 93.00%
Apple, Inc. | Sales Revenue, Net | Customer Concentration Risk |  |  |
Concentration Of Credit Risk [Abstract] |  |  |
Concentration risk, percentage | 83.00% | 79.00% | 83.00%
Capitalized Software |  |  |
Property, Plant and Equipment, Net [Abstract] |  |  |
Estimated useful life | 3 years |  |
Capitalized Enterprise Resource Planning Software |  |  |
Property, Plant and Equipment, Net [Abstract] |  |  |
Estimated useful life | 10 years |  |
Minimum |  |  |
Intangible Assets, Net (Including Goodwill) [Abstract] |  |  |
Intangible assets, useful life | 1 year |  |
Acquired intangible assets, useful life | 1 year |  |
Contract Balance Payment Terms [Abstract] |  |  |
Contract balance, payment term | 30 days |  |
Share-based Compensation [Abstract] |  |  |
Share-based compensation, vesting period | 1 year |  |
Minimum | Property, Plant and Equipment |  |  |
Property, Plant and Equipment, Net [Abstract] |  |  |
Estimated useful life | 3 years |  |
Minimum | Furniture, Fixtures, Machinery and Equipment |  |  |
Property, Plant and Equipment, Net [Abstract] |  |  |
Estimated useful life | 3 years |  |
Maximum |  |  |
Intangible Assets, Net (Including Goodwill) [Abstract] |  |  |
Intangible assets, useful life | 5 years |  |
Acquired intangible assets, useful life | 15 years |  |
Contract Balance Payment Terms [Abstract] |  |  |
Contract balance, payment term | 60 days |  |
Share-based Compensation [Abstract] |  |  |
Share-based compensation, vesting period | 4 years |  |
Maximum | Property, Plant and Equipment |  |  |
Property, Plant and Equipment, Net [Abstract] |  |  |
Estimated useful life | 39 years |  |
Maximum | Furniture, Fixtures, Machinery and Equipment |  |  |
Property, Plant and Equipment, Net [Abstract] |  |  |
Estimated useful life | 10 years |  |
Maximum | Buildings |  |  |
Property, Plant and Equipment, Net [Abstract] |  |  |
Estimated useful life | 39 years |  |

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