Marketable Securities (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 26, 2022	Mar. 27, 2021
Debt Securities, Available-for-sale [Line Items]
Gross unrealized losses	$ 2,325	$ 315
Amortized cost on available for sale securities held at gross unrealized loss	75,500	$ 92,000
Securities in a continuous unrealized loss position for more than 12 months, amortized cost	3,500
Securities in a continuous unrealized loss position for more than 12 months, aggregate unrealized loss	$ 100
Minimum
Debt Securities, Available-for-sale [Line Items]
Maturity period for highly-rated securities	1 year
Maximum
Debt Securities, Available-for-sale [Line Items]
Maturity period for highly-rated securities	3 years

Available-For-Sale Debt Securities, Maturity Period

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- Definition

Amortized cost of available for sale securities in an unrealized loss position.

+ References

No definition available.

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- Definition

Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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-Publisher FASB
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- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Topic 326
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Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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