Goodwill and Other Intangibles (Summary of Goodwill and Other Intangibles) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Apr. 01, 2017
Acquired Finite and Indefinite Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	$ 92	$ 92
Indefinite lived:
Gross Carrying Amount	78,053		$ 77,853
Net Carrying Amount	78,053		77,853
Finite lived:
Accumulated Amortization	(6,408)		(6,316)
Gross Carrying Amount	86,537		86,337
Net Carrying Amount	80,129		80,021
Customer relationships [Member]
Finite lived:
Gross Carrying Amount	7,100		7,100
Accumulated Amortization	(5,596)		(5,543)
Net Carrying Amount	1,504		1,557
Other Intangible Assets [Member]
Finite lived:
Gross Carrying Amount	1,384		1,384
Accumulated Amortization	(812)		(773)
Net Carrying Amount	572		611
Goodwill [Member]
Acquired Finite and Indefinite Lived Intangible Assets [Line Items]
Goodwill	69,753		69,753
Trademarks and trade names [Member]
Acquired Finite and Indefinite Lived Intangible Assets [Line Items]
Indefinite lived intangible assets including goodwill.	7,200		7,000
State insurance licenses [Member]
Acquired Finite and Indefinite Lived Intangible Assets [Line Items]
Indefinite lived intangible assets including goodwill.	$ 1,100		$ 1,100