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Note 10 - Subsequent Events (Details Textual) - USD ($) $ in Millions	3 Months Ended	6 Months Ended	12 Months Ended
	Feb. 25, 2018	Nov. 26, 2017	May 26, 2019	May 27, 2018	May 28, 2017
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent		35.00%			35.00%
Deferred Tax Liabilities, Net		$ 26
Scenario, Forecast [Member]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			21.00%	29.00%
Scenario, Forecast [Member] | Minimum [Member]
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount	$ (7)
Scenario, Forecast [Member] | Maximum [Member]
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount	$ (9)

X

- Definition

Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 6
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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