Goodwill And Other Intangible Assets (Schedule Of Goodwill And Other Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	May 31, 2014		Jun. 01, 2013	Jun. 02, 2012
Schedule of Finite-Lived And Indefinite-Lived Intangible Assets [Line Items]
Goodwill, Balance	$ 24,417		$ 22,117
Goodwill, Additions	4,779		2,300
Goodwill, Balance	29,196		24,417	22,117
Other intangibles, Balance	12,326		8,028
Other intangibles, Additions	911		6,844
Other intangibles, Amortization	(2,814)		(2,546)	(2,000)
Other Intangibles, Finite-Lived, Balance	9,702
Other intangibles, Balance	10,423		12,326	8,028
Water Rights [Member]
Schedule of Finite-Lived And Indefinite-Lived Intangible Assets [Line Items]
Other Intangibles, Indefinite-Lived, Additions	720
Other Intangibles, Indefinite-Lived, Balance	720	[1]
Franchise Rights [Member]
Schedule of Finite-Lived And Indefinite-Lived Intangible Assets [Line Items]
Other Intangibles, Finite-Lived, Balance	1,831		2,352
Other intangibles, Amortization	(477)		(521)
Other Intangibles, Finite-Lived, Balance	1,354		1,831
Customer Relationships [Member]
Schedule of Finite-Lived And Indefinite-Lived Intangible Assets [Line Items]
Other Intangibles, Finite-Lived, Balance	10,407		5,676
Other Intangibles, Finite-Lived, Additions			6,744
Other intangibles, Amortization	(2,317)		(2,013)
Other Intangibles, Finite-Lived, Balance	8,090		10,407
Non-compete Agreements [Member]
Schedule of Finite-Lived And Indefinite-Lived Intangible Assets [Line Items]
Other Intangibles, Finite-Lived, Balance	88
Other Intangibles, Finite-Lived, Additions			100
Other intangibles, Amortization	(20)		(12)
Other Intangibles, Finite-Lived, Balance	68		88
Right Of Use Intangible [Member]
Schedule of Finite-Lived And Indefinite-Lived Intangible Assets [Line Items]
Other Intangibles, Finite-Lived, Additions	191
Other Intangibles, Finite-Lived, Balance	$ 191

[1] Water rights are an indefinite life intangible asset.