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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of government assistance recognized.

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Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

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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