Investments (Details 1) - USD ($) $ in Thousands	Jul. 02, 2016	Apr. 02, 2016
Available-for-Sale Securities by Investment Category
Amortized Cost - Available-for sale Debt Securities	$ 15,155
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	2,457	$ 2,630
Available-for-sale Securities, Amortized Cost Basis	21,774	22,147
Total Amortized Cost - Available-for-sale Securities	21,774	22,147
Gross Unrealized Losses	468	530
Total Fair Value - Available-for-sale Debt Securities	15,357
Total Fair Value - Available-for-sale Securities	23,763	24,247
Equity Method Investments	14,764	14,841
U.S. Treasury and Government Agencies [Member]
Available-for-Sale Securities by Investment Category
Amortized Cost - Available-for sale Debt Securities	650	1,002
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	1	0
Gross Unrealized Losses	0	3
Total Fair Value - Available-for-sale Debt Securities	651	999
Mortgage-backed securities [Member]
Available-for-Sale Securities by Investment Category
Amortized Cost - Available-for sale Debt Securities	5,680	5,866
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	19	13
Gross Unrealized Losses	49	60
Total Fair Value - Available-for-sale Debt Securities	5,650	5,819
States and political subdivisions [Member]
Available-for-Sale Securities by Investment Category
Amortized Cost - Available-for sale Debt Securities	7,914	7,231
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	291	239
Gross Unrealized Losses	65	49
Total Fair Value - Available-for-sale Debt Securities	8,140	7,421
Corporate debt securities [Member]
Available-for-Sale Securities by Investment Category
Amortized Cost - Available-for sale Debt Securities	911	1,166
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	8	4
Gross Unrealized Losses	3	6
Total Fair Value - Available-for-sale Debt Securities	916	1,164
Marketable equity securities [Member]
Available-for-Sale Securities by Investment Category
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	2,138	2,374
Amortized Cost - Available-for-sale Equity Securities	5,619	5,882
Gross Unrealized Losses	351	412
Total Fair Value - Available-for-sale Equity Securities	7,406	7,844
Certificates of Deposit [Member]
Available-for-Sale Securities by Investment Category
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	0	0
Available-for-sale Securities, Amortized Cost Basis	1,000	1,000
Total Amortized Cost - Available-for-sale Securities	1,000	1,000
Gross Unrealized Losses	0	0
Total Fair Value - Available-for-sale Securities	$ 1,000	$ 1,000

This item represents the cost of debt securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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