Investments Investments (Available-for-sale Summary) (Details) - USD ($) $ in Thousands	Apr. 02, 2016	Mar. 28, 2015
Available-for-Sale Securities by Investment Category
Amortized Cost - Available-for sale Debt Securities	$ 15,265
Total Amortized Cost - Available-for-sale Securities	22,147	$ 20,506
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	2,630	913
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(530)	(136)
Total Fair Value - Available-for-sale Debt Securities	15,403
Available-for-sale Securities	24,247	21,283
Equity Method Investments	14,841	10,636
U.S. Treasury and Government Agencies [Member]
Available-for-Sale Securities by Investment Category
Amortized Cost - Available-for sale Debt Securities	1,002	1,952
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	0	1
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(3)	(5)
Total Fair Value - Available-for-sale Debt Securities	999	1,948
Mortgage-backed securities [Member]
Available-for-Sale Securities by Investment Category
Amortized Cost - Available-for sale Debt Securities	5,866	4,342
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	13	23
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(60)	(27)
Total Fair Value - Available-for-sale Debt Securities	5,819	4,338
States and political subdivisions [Member]
Available-for-Sale Securities by Investment Category
Amortized Cost - Available-for sale Debt Securities	7,231	7,190
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	239	245
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(49)	(12)
Total Fair Value - Available-for-sale Debt Securities	7,421	7,423
Corporate debt securities [Member]
Available-for-Sale Securities by Investment Category
Amortized Cost - Available-for sale Debt Securities	1,166	1,060
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	4	2
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(6)	(4)
Total Fair Value - Available-for-sale Debt Securities	1,164	1,058
Equity Securities [Member]
Available-for-Sale Securities by Investment Category
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	2,374	642
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(412)	(88)
Amortized Cost - Available-for-sale Equity Securities	5,882	4,962
Available-for-sale Securities, Equity Securities	7,844	5,516
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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