Note 1 - Basis of Presentation - Reclassification of Line Items Reported in Condensed Consolidated Statements of Cash Flows (Details) - USD ($) $ in Thousands	9 Months Ended
Feb. 28, 2017	Mar. 01, 2016
Loss on impairments, including disposition of assets	$ 32,668	$ 17,489
Trademark impairment
Scenario, Previously Reported [Member]
Loss on impairments, including disposition of assets		15,490
Trademark impairment		1,999
Scenario, Adjustment [Member]
Loss on impairments, including disposition of assets		1,999
Trademark impairment		$ (1,999)

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2420-110228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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