Investments Investments (Continuous Unrealized Loss Positions) (Details) - USD ($) $ in Thousands	Apr. 02, 2016	Mar. 28, 2015
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	$ 7,844	$ 3,350
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(386)	(97)
12 Months or Longer, Fair Value	3,006	1,384
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(144)	(39)
Total Fair Value	10,850	4,734
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(530)	(136)
U.S. Treasury and Government Agencies [Member]
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	0	499
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	0	0
12 Months or Longer, Fair Value	699	698
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(3)	(5)
Total Fair Value	699	1,197
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(3)	(5)
Mortgage-backed securities [Member]
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	3,436	438
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(27)	(2)
12 Months or Longer, Fair Value	898	330
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(33)	(25)
Total Fair Value	4,334	768
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(60)	(27)
States and political subdivisions [Member]
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	1,865	1,099
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(29)	(6)
12 Months or Longer, Fair Value	1,257	256
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(20)	(6)
Total Fair Value	3,122	1,355
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(49)	(12)
Corporate Debt Securities [Member]
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	763	247
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(6)	(4)
12 Months or Longer, Fair Value	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	0
Total Fair Value	763	247
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(6)	(4)
Equity Securities [Member]
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	1,780	1,067
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(324)	(85)
12 Months or Longer, Fair Value	152	100
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(88)	(3)
Total Fair Value	1,932	1,167
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	$ (412)	$ (88)