Income Taxes - Additional Disclosures (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended								12 Months Ended
	May 29, 2012	May 28, 2013	May 29, 2012	May 31, 2011 change_in_accounting_method	May 28, 2013 State	May 28, 2013 Indiana	May 29, 2012 Indiana	May 28, 2013 Kentucky	May 29, 2012 Kentucky	Jun. 01, 2010 Allowance period 1	Jun. 01, 2010 Allowance period 2	Jun. 01, 2010 Allowance period 3
Income Taxes [Line Items]
Prepaid income taxes	$ 1,116	$ 1,219	$ 1,116
Net operating losses (NOL)					8,058	1,635	1,028	6,423	4,508
Net operating loss carryforward - state	199	222	199			87	87	135	112
Valuation allowance applied to net operating losses, percent		100.00%					100.00%
Deferred tax assets valuation allowance, change in amount		135
Income tax expense, including discontinued operations and federal tax credits applied during period	1,948	(2,671)	1,494	(3,717)
Income taxes paid, net of refunds, including discontinued operations		1,521	632	1,239
Number of accounting method changes affecting income taxes paid during the period				2
Income tax deductions resulting from changes in accounting methods				$ 10,165
Tax useful life period of repair and maintenance costs										31 years 6 months	39 years	15 years