Credit Facilities and Long-Term Debt (Schedule of Long-term Debt Instruments) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 03, 2017	May 28, 2016
Debt Instrument [Line Items]
Total debt	$ 10,939	$ 25,570
Less: current maturities	4,826	16,320
Long-term debt, less current maturities	6,113	9,250
Note payable at 6.20%
Debt Instrument [Line Items]
Total debt	$ 7,500	10,500
Interest rate	6.20%
Principal installment	$ 250
Note payable at 6.35%
Debt Instrument [Line Items]
Total debt	0	$ 9,100
Interest rate		6.35%
Principal installment		$ 100
Note payable at 5.40%
Debt Instrument [Line Items]
Total debt	$ 1,750	3,250
Interest rate	5.40%
Principal installment	$ 125
Note payable at 6.40%
Debt Instrument [Line Items]
Total debt	0	$ 2,720
Interest rate		6.40%
Principal installment		$ 35
Capital lease obligations
Debt Instrument [Line Items]
Total debt	$ 1,689	$ 0