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Investments (Continuous Unrealized Loss Positions) (Details) - USD ($) $ in Thousands | Apr. 03, 2021 | Mar. 28, 2020
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Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] |  |
Less than 12 Months, Fair Value | $ 6,093 | $ 4,481
Unrealized Losses, less than 12 months | (35) | (67)
12 Months or Longer, Fair Value | 699 | 1,880
Unrealized losses, 12 months or longer | (8) | (27)
Total Fair Value | 6,792 | 6,361
Unrealized Losses | (43) | (94)
Residential mortgage-backed securities |  |
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] |  |
Less than 12 Months, Fair Value | 927 | 133
Unrealized Losses, less than 12 months | (6) | 0
12 Months or Longer, Fair Value | 450 | 1,779
Unrealized losses, 12 months or longer | (7) | (26)
Total Fair Value | 1,377 | 1,912
Unrealized Losses | (13) | (26)
States and political subdivision debt securities |  |
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] |  |
Less than 12 Months, Fair Value | 3,013 | 601
Unrealized Losses, less than 12 months | (19) | (2)
12 Months or Longer, Fair Value | 0 | 101
Unrealized losses, 12 months or longer |  | (1)
Total Fair Value | 3,013 | 702
Unrealized Losses | (19) | (3)
Corporate debt securities |  |
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] |  |
Less than 12 Months, Fair Value | 2,153 | 3,747
Unrealized Losses, less than 12 months | (10) | (65)
12 Months or Longer, Fair Value | 249 | 0
Unrealized losses, 12 months or longer | (1) | 0
Total Fair Value | 2,402 | 3,747
Unrealized Losses | $ (11) | $ (65)

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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer. + References No definition available. + Details
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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27337-111563 + Details
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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months. + References No definition available. + Details
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