Investments Investments (Available-for-sale Summary) (Details) - USD ($) $ in Thousands	Apr. 01, 2017	Apr. 02, 2016
Available-for-Sale Securities by Investment Category
Amortized Cost - Available-for sale Debt Securities	$ 15,189
Total Amortized Cost - Available-for-sale Securities	21,941	$ 22,147
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	2,582	2,630
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(361)	(530)
Total Fair Value - Available-for-sale Debt Securities	15,110
Available-for-sale Securities	24,162	24,247
Equity Method Investments	17,383	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
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(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	5,646	5,866
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	3	13
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(90)	(60)
Total Fair Value - Available-for-sale Debt Securities	5,559	5,819
States and political subdivisions [Member]
Available-for-Sale Securities by Investment Category
Amortized Cost - Available-for sale Debt Securities	7,195	7,231
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	145	239
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(117)	(49)
Total Fair Value - Available-for-sale Debt Securities	7,223	7,421
Corporate debt securities [Member]
Available-for-Sale Securities by Investment Category
Amortized Cost - Available-for sale Debt Securities	1,698	1,166
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	4	4
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(23)	(6)
Total Fair Value - Available-for-sale Debt Securities	1,679	1,164
Equity Securities [Member]
Available-for-Sale Securities by Investment Category
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	2,430	2,374
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(130)	(412)
Amortized Cost - Available-for-sale Equity Securities	5,752	5,882
Available-for-sale Securities, Equity Securities	8,052	7,844
Certificates of Deposit [Member]
Available-for-Sale Securities by Investment Category
Total Amortized Cost - Available-for-sale Securities	1,000	1,000
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	0	0
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	0	0
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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