Note 2 - Acquisitions (Details) - Prospective Amortization of the Favorable Lease Assets and Unfavorable Lease Liabilities $ in Thousands	12 Months Ended
	Aug. 26, 2015 USD ($)
2016 [Member]
Note 2 - Acquisitions (Details) - Prospective Amortization of the Favorable Lease Assets and Unfavorable Lease Liabilities [Line Items]
Favorable	$ 121
2017 [Member]
Note 2 - Acquisitions (Details) - Prospective Amortization of the Favorable Lease Assets and Unfavorable Lease Liabilities [Line Items]
Favorable	121
2018 [Member]
Note 2 - Acquisitions (Details) - Prospective Amortization of the Favorable Lease Assets and Unfavorable Lease Liabilities [Line Items]
Favorable	121
2019 [Member]
Note 2 - Acquisitions (Details) - Prospective Amortization of the Favorable Lease Assets and Unfavorable Lease Liabilities [Line Items]
Favorable	121
2020 [Member]
Note 2 - Acquisitions (Details) - Prospective Amortization of the Favorable Lease Assets and Unfavorable Lease Liabilities [Line Items]
Favorable	$ 121