Fair Value Measurements (Schedule Of Fair Value And Carrying Value Of Borrowings Under Credit Facilities And Long-Term Debt) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Aug. 30, 2014	May 31, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, Carrying Value	$ 58,468	$ 61,093
Long-term debt, Fair Value	59,074	61,783
5.45 - 6.4% Notes Payable [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, Carrying Value	50,578	52,676
Long-term debt, Fair Value	51,205	53,387
Interest rate, minimum	5.45%
Interest rate, maximum	6.40%
Series A Senior Secured Notes At 5.45% [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, Carrying Value	7,890	8,417
Long-term debt, Fair Value	$ 7,869	$ 8,396
Interest rate	5.45%