Investments (Details 2) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2013	Mar. 30, 2013
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	$ 6,393	$ 2,957
12 Months or Longer, Fair Value	201	304
Total Fair Value	6,594	3,261
Less than 12 Months, Unrealized Losses	(370)	(127)
12 Months or Longer, Unrealized Losses	(7)	(55)
Total Unrealized Losses	(377)	(182)
U.S. Treasury and Government Agencies [Member]
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	1,721	1,084
12 Months or Longer, Fair Value	0	0
Total Fair Value	1,721	1,084
Less than 12 Months, Unrealized Losses	(81)	(6)
12 Months or Longer, Unrealized Losses	0	0
Total Unrealized Losses	(81)	(6)
Mortgage-backed securities [Member]
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	3,013	1,460
12 Months or Longer, Fair Value	0	0
Total Fair Value	3,013	1,460
Less than 12 Months, Unrealized Losses	(250)	(108)
12 Months or Longer, Unrealized Losses	0	0
Total Unrealized Losses	(250)	(108)
States and political subdivisions [Member]
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	1,308
12 Months or Longer, Fair Value	0
Total Fair Value	1,308
Less than 12 Months, Unrealized Losses	(19)
12 Months or Longer, Unrealized Losses	0
Total Unrealized Losses	(19)
Marketable equity securities [Member]
Investment Securities in a Continuous Unrealized Loss Position
Less than 12 Months, Fair Value	351	413
12 Months or Longer, Fair Value	201	304
Total Fair Value	552	717
Less than 12 Months, Unrealized Losses	(20)	(13)
12 Months or Longer, Unrealized Losses	(7)	(55)
Total Unrealized Losses	$ (27)	$ (68)