Investments (Details 2) - USD ($) $ in Thousands	Sep. 26, 2015	Mar. 28, 2015
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	$ 503	$ 913
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	7,013	3,350
12 Months or Longer, Fair Value	2,150	1,384
Total Fair Value	9,163	4,734
Less than 12 Months, Unrealized Losses	714	97
12 Months or Longer, Unrealized Losses	112	39
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(826)	(136)
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	1
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	0	499
12 Months or Longer, Fair Value	699	698
Total Fair Value	699	1,197
Less than 12 Months, Unrealized Losses	0	0
12 Months or Longer, Unrealized Losses	3	5
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(3)	(5)
Mortgage-backed securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	25	23
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	1,257	438
12 Months or Longer, Fair Value	253	330
Total Fair Value	1,510	768
Less than 12 Months, Unrealized Losses	8	2
12 Months or Longer, Unrealized Losses	27	25
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(35)	(27)
States and political subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	185	245
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	1,865	1,099
12 Months or Longer, Fair Value	1,004	256
Total Fair Value	2,869	1,355
Less than 12 Months, Unrealized Losses	16	6
12 Months or Longer, Unrealized Losses	13	6
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(29)	(12)
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	0	2
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	523	247
12 Months or Longer, Fair Value	0	0
Total Fair Value	523	247
Less than 12 Months, Unrealized Losses	3	4
12 Months or Longer, Unrealized Losses	0	0
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(3)	(4)
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	292	642
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	3,368	1,067
12 Months or Longer, Fair Value	194	100
Total Fair Value	3,562	1,167
Less than 12 Months, Unrealized Losses	687	85
12 Months or Longer, Unrealized Losses	69	3
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	$ (756)	$ (88)