Employee Benefits Plans (Narrative) (Detail) (USD $)	12 Months Ended
May 31, 2013	Jun. 01, 2012	Jun. 03, 2011
Compensation Related Costs [Abstract]
Employee benefit plans, employer matching contribution percent	25.00%	25.00%	20.00%
Employee benefit plans, employer contributions during the period	$ 154,760	$ 161,833
Salary continuation plan, number of years in effect following retirement	15 years

The increase in the fair value of plan assets from contributions made by the employer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)(3)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

Name:	us-gaap_DefinedBenefitPlanContributionsByEmployer
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration