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Contract Balance Payment Terms [Abstract]

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Contract With Customer, Payment Term

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Restructuring Charges, Disposal Of Equipment, Net Of Recovery From Sales

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Standard Product Warranty, Term

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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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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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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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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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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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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) shares in Thousands	3 Months Ended	12 Months Ended
	Mar. 28, 2020	Mar. 26, 2022	Mar. 27, 2021	Mar. 28, 2020
Inventory Disclosure [Abstract]
Inventory write-down		$ 6,500,000	$ 1,200,000
Property, Plant and Equipment, Net [Abstract]
Equipment disposal charges, net of recovery	$ 9,600,000		130,000	$ 9,578,000
Gain on sale of assets	0	0	0
Depreciation and amortization expense on property, plant and equipment		24,800,000	24,900,000	31,900,000
Intangible Assets, Net (Including Goodwill) [Abstract]
Impairment of goodwill		0	0	0
Impairment and write-off of intangible assets	$ 10,000,000	0	0	9,961,000
Marketing and Advertising Expense [Abstract]
Advertising costs		$ 900,000	$ 900,000	$ 900,000
Earnings Per Share [Abstract]
Weighted outstanding options excluded from diluted calculation (in shares)		113	187	543
Henan Fuchi \| Accounts Receivable \| Customer Concentration Risk
Concentration Of Credit Risk [Abstract]
Concentration risk, percentage		30.00%	25.00%
Pegatron \| Accounts Receivable \| Customer Concentration Risk
Concentration Of Credit Risk [Abstract]
Concentration risk, percentage		17.00%
Ten Largest Customers \| Sales Revenue, Net \| Customer Concentration Risk
Concentration Of Credit Risk [Abstract]
Concentration risk, percentage		93.00%	93.00%	93.00%
Apple, Inc. \| Sales Revenue, Net \| Customer Concentration Risk
Concentration Of Credit Risk [Abstract]
Concentration risk, percentage		79.00%	83.00%	79.00%
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
Revenue, Performance Obligation [Abstract]
Warranty period		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
Revenue, Performance Obligation [Abstract]
Warranty period		3 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