Investments (Contractual Maturities) (Details) - USD ($) $ in Thousands	Sep. 26, 2020	Mar. 28, 2020
Amortized Cost
Due in less than one year	$ 3,506
Due after one year through five years	3,013
Due after five years through ten years	1,028
Due after ten years	1,315
Mortgage-backed securities	3,605
Amortized Cost	12,467	$ 14,660
Fair Value
Due in less than one year	3,515
Due after one year through five years	3,040
Due after five years through ten years	1,109
Due after ten years	1,371
Mortgage-backed securities	3,641
Fair Value	$ 12,676	$ 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
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-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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