Goodwill and Other Intangibles (Summary of Goodwill and Other Intangibles) (Details) - USD ($) $ in Thousands	Mar. 28, 2020	Aug. 02, 2019	Mar. 30, 2019
Indefinite lived:
Gross Carrying Amount	$ 75,090	$ 2,170	$ 72,920
Gross Carrying Amount	85,090		81,220
Net Carrying Amount	85,090		81,220
Finite lived:
Accumulated Amortization	(7,614)		(7,008)
Gross Carrying Amount	97,814		89,704
Net Carrying Amount	90,200		82,696
Customer relationships
Finite lived:
Gross Carrying Amount	11,300		7,100
Accumulated Amortization	(6,463)		(5,970)
Net Carrying Amount	4,837		1,130
Other Intangible Assets
Finite lived:
Gross Carrying Amount	1,424		1,384
Accumulated Amortization	(1,151)		(1,038)
Net Carrying Amount	273		346
Goodwill
Indefinite lived:
Gross Carrying Amount	75,090		72,920
Trademarks and trade names
Indefinite lived:
Net Carrying Amount	8,900		7,200
State insurance licenses
Indefinite lived:
Net Carrying Amount	$ 1,100		$ 1,100