Note 13 - Fair Value Measurements - Fair Values of Financial Assets and Liabilities Measured on a Recurring Basis (Details) - Fair Value, Inputs, Level 1 [Member] - USD ($) $ in Thousands	Dec. 01, 2015	Jun. 02, 2015
Deferred compensation plan: other investments – Assets	$ 7,499	$ 8,017
Deferred compensation plan: other investments – Liabilities	$ (7,499)	$ (8,017)

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

No definition available.

Name:	us-gaap_AssetsFairValueDisclosureRecurring
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant