Investments (Details 1) - USD ($) $ in Thousands	Dec. 31, 2016	Apr. 02, 2016
Available-for-Sale Securities by Investment Category
Amortized Cost - Available-for sale Debt Securities	$ 15,421
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	4,193	$ 2,630
Available-for-sale Securities, Amortized Cost Basis	21,416	22,147
Total Amortized Cost - Available-for-sale Securities	21,416	22,147
Gross Unrealized Losses	(373)	(530)
Total Fair Value - Available-for-sale Debt Securities	15,328
Total Fair Value - Available-for-sale Securities	25,236	24,247
Equity Method Investments		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	0	0
Gross Unrealized Losses	(1)	(3)
Total Fair Value - Available-for-sale Debt Securities	649	999
Mortgage-backed securities [Member]
Available-for-Sale Securities by Investment Category
Amortized Cost - Available-for sale Debt Securities	5,859	5,866
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	5	13
Gross Unrealized Losses	(90)	(60)
Total Fair Value - Available-for-sale Debt Securities	5,774	5,819
States and political subdivisions [Member]
Available-for-Sale Securities by Investment Category
Amortized Cost - Available-for sale Debt Securities	7,209	7,231
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	139	239
Gross Unrealized Losses	(120)	(49)
Total Fair Value - Available-for-sale Debt Securities	7,228	7,421
Corporate debt securities [Member]
Available-for-Sale Securities by Investment Category
Amortized Cost - Available-for sale Debt Securities	1,703	1,166
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	3	4
Gross Unrealized Losses	(29)	(6)
Total Fair Value - Available-for-sale Debt Securities	1,677	1,164
Marketable equity securities [Member]
Available-for-Sale Securities by Investment Category
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	4,046	2,374
Amortized Cost - Available-for-sale Equity Securities	4,995	5,882
Gross Unrealized Losses	(133)	(412)
Total Fair Value - Available-for-sale Equity Securities	8,908	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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