Investments (Debt Securities by Maturity) (Details) - USD ($) $ in Thousands	Mar. 30, 2019	Mar. 31, 2018
Contractual Maturity of Investment Securities
Due in less than one year, Amortized Cost	$ 1,265
Due after one year through five years, Amortized Cost	2,954
Due after five years through ten years, Amortized Cost	0
Due after ten years, Amortized Cost	2,599
Mortgage-backed securities, Amortized Cost	6,625
Total Amortized Cost	13,443	$ 16,412
Due in less than one year, Fair Value	1,258
Due after one year through five years, Fair Value	2,927
Due after five years through ten years, Fair Value	0
Due after ten years, Fair Value	2,714
Mortgage-backed securities, Fair Value	6,509
Total Fair Value	13,408	16,181
Residential mortgage-backed securities
Contractual Maturity of Investment Securities
Total Amortized Cost	6,625	7,654
Total Fair Value	$ 6,509	$ 7,499

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
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27198-111563

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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).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26610-111562

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

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