Goodwill and Other Intangibles (Summary of Goodwill and Other Intangibles) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 26, 2015	Sep. 27, 2014	Sep. 26, 2015	Sep. 27, 2014	Mar. 28, 2015
Acquired Finite and Indefinite Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	$ 116	$ 344	$ 305	$ 689
Indefinite lived:
Gross Carrying Amount	77,214		77,214		$ 74,696
Net Carrying Amount	77,214		77,214		74,696
Finite lived:
Accumulated Amortization	(5,798)		(5,798)		(5,494)
Gross Carrying Amount	86,698		86,698		82,170
Net Carrying Amount	80,900		80,900		76,676
Customer relationships [Member]
Finite lived:
Gross Carrying Amount	8,100		8,100		6,200
Accumulated Amortization	(5,257)		(5,257)		(5,027)
Net Carrying Amount	2,843		2,843		1,173
Other Intangible Assets [Member]
Finite lived:
Gross Carrying Amount	1,384		1,384		1,274
Accumulated Amortization	(541)		(541)		(467)
Net Carrying Amount	843		843		807
Goodwill [Member]
Acquired Finite and Indefinite Lived Intangible Assets [Line Items]
Goodwill	69,014		69,014		67,346
Trademarks and trade names [Member]
Acquired Finite and Indefinite Lived Intangible Assets [Line Items]
Indefinite lived intangible assets including goodwill.	7,100		7,100		6,250
State insurance licenses [Member]
Acquired Finite and Indefinite Lived Intangible Assets [Line Items]
Indefinite lived intangible assets including goodwill.	$ 1,100		$ 1,100		$ 1,100