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Investments (Details 2) - USD ($) $ in Thousands | Jul. 02, 2016 | Apr. 02, 2016
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Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax | $ 2,457 | $ 2,630
Investment Securities in a Continuous Unrealized Loss Position |  |
Less than 12 Months, Fair Value | 6,680 | 7,844
12 Months or Longer, Fair Value | 2,660 | 3,006
Total Fair Value | 9,340 | 10,850
Less than 12 Months, Unrealized Losses | 294 | 386
12 Months or Longer, Unrealized Losses | 174 | 144
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | (468) | (530)
U.S. Treasury and Government Agencies [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax | 1 | 0
Investment Securities in a Continuous Unrealized Loss Position |  |
Less than 12 Months, Fair Value |  | 0
12 Months or Longer, Fair Value |  | 699
Total Fair Value |  | 699
Less than 12 Months, Unrealized Losses |  | 0
12 Months or Longer, Unrealized Losses |  | 3
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | 0 | (3)
Mortgage-backed securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax | 19 | 13
Investment Securities in a Continuous Unrealized Loss Position |  |
Less than 12 Months, Fair Value | 3,036 | 3,436
12 Months or Longer, Fair Value | 493 | 898
Total Fair Value | 3,529 | 4,334
Less than 12 Months, Unrealized Losses | 18 | 27
12 Months or Longer, Unrealized Losses | 31 | 33
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | (49) | (60)
States and political subdivisions [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax | 291 | 239
Investment Securities in a Continuous Unrealized Loss Position |  |
Less than 12 Months, Fair Value | 1,852 | 1,865
12 Months or Longer, Fair Value | 1,734 | 1,257
Total Fair Value | 3,586 | 3,122
Less than 12 Months, Unrealized Losses | 29 | 29
12 Months or Longer, Unrealized Losses | 36 | 20
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | (65) | (49)
Corporate Debt Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax | 8 | 4
Investment Securities in a Continuous Unrealized Loss Position |  |
Less than 12 Months, Fair Value | 0 | 763
12 Months or Longer, Fair Value | 249 | 0
Total Fair Value | 249 | 763
Less than 12 Months, Unrealized Losses | 0 | 6
12 Months or Longer, Unrealized Losses | 3 | 0
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | (3) | (6)
Equity Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax | 2,138 | 2,374
Investment Securities in a Continuous Unrealized Loss Position |  |
Less than 12 Months, Fair Value | 1,792 | 1,780
12 Months or Longer, Fair Value | 184 | 152
Total Fair Value | 1,976 | 1,932
Less than 12 Months, Unrealized Losses | 247 | 324
12 Months or Longer, Unrealized Losses | 104 | 88
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | $ (351) | $ (412)

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