Investments (Debt Securities by Maturity) (Details) - USD ($) $ in Thousands	Apr. 03, 2021	Mar. 28, 2020
Contractual Maturity of Investment Securities
Due in less than one year, Amortized Cost	$ 1,218
Due after one year through five years, Amortized Cost	8,487
Due after five years through ten years, Amortized Cost	1,022
Due after ten years, Amortized Cost	1,309
Mortgage-backed securities, Amortized Cost	2,787
Total Amortized Cost	14,823	$ 14,660
Due in less than one year, Fair Value	1,220
Due after one year through five years, Fair Value	8,484
Due after five years through ten years, Fair Value	1,087
Due after ten years, Fair Value	1,351
Mortgage-backed securities, Fair Value	2,804
Total Fair Value	$ 14,946	$ 14,774

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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