Investments Investments (Available-for-sale Summary) (Details) (USD $)	12 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Available-for-Sale Securities by Investment Category
Total Amortized Cost - Available-for-sale Securities	$ 19,132,000	$ 17,159,000
Gross Unrealized Gains	951,000	721,000
Gross Unrealized Losses	(281,000)	(182,000)
Total Fair Value - Available-for-sale Debt Securities	13,530,000	12,375,000
Available-for-sale Securities	19,802,000	17,698,000
U.S. Treasury and Government Agencies [Member]
Available-for-Sale Securities by Investment Category
Amortized Cost - Available-for sale Debt Securities	2,318,000	2,682,000
Gross Unrealized Gains	1,000	11,000
Gross Unrealized Losses	(46,000)	(6,000)
Total Fair Value - Available-for-sale Debt Securities	2,273,000	2,687,000
Mortgage-backed securities [Member]
Available-for-Sale Securities by Investment Category
Amortized Cost - Available-for sale Debt Securities	3,754,000	5,226,000
Gross Unrealized Gains	13,000	21,000
Gross Unrealized Losses	(149,000)	(108,000)
Total Fair Value - Available-for-sale Debt Securities	3,618,000	5,139,000
States and political subdivisions [Member]
Available-for-Sale Securities by Investment Category
Amortized Cost - Available-for sale Debt Securities	5,923,000	1,681,000
Gross Unrealized Gains	155,000	32,000
Gross Unrealized Losses	(13,000)	0
Total Fair Value - Available-for-sale Debt Securities	6,065,000	1,713,000
Corporate debt securities [Member]
Available-for-Sale Securities by Investment Category
Amortized Cost - Available-for sale Debt Securities	1,550,000	2,788,000
Gross Unrealized Gains	24,000	48,000
Gross Unrealized Losses	0	0
Total Fair Value - Available-for-sale Debt Securities	1,574,000	2,836,000
Equity Securities [Member]
Available-for-Sale Securities by Investment Category
Amortized Cost - Available-for-sale Equity Securities	4,537,000	4,782,000
Gross Unrealized Gains	758,000	609,000
Gross Unrealized Losses	(73,000)	(68,000)
Available-for-sale Securities, Equity Securities	5,222,000	5,323,000
Certificates of Deposit [Member]
Available-for-Sale Securities by Investment Category
Total Amortized Cost - Available-for-sale Securities	1,050,000
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Available-for-sale Securities	$ 1,050,000