Note 5 - Trade Receivables and Other (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Aug. 27, 2014	Aug. 28, 2013	Aug. 29, 2012
Note 5 - Trade Receivables and Other (Details) [Line Items]
Franchise Fund Receivables	$ 0.7
Primary Contract Receivable [Member] | Culinary Contract Services [Member]
Note 5 - Trade Receivables and Other (Details) [Line Items]
Number of Contracts	11
Primary Contract Receivable [Member] | Minimum [Member]
Note 5 - Trade Receivables and Other (Details) [Line Items]
Accounts, Notes, Loans and Financing Receivable, Net, Current	0.1
Primary Contract Receivable [Member] | Maximum [Member]
Note 5 - Trade Receivables and Other (Details) [Line Items]
Accounts, Notes, Loans and Financing Receivable, Net, Current	0.7
Culinary Contract Services [Member]
Note 5 - Trade Receivables and Other (Details) [Line Items]
Other Receivables, Net, Current	$ 2.9
Number of Contracts	25
Number of Restaurants		21	18
Franchise [Member]
Note 5 - Trade Receivables and Other (Details) [Line Items]
Number of Restaurants	110	116	125
Minimum [Member]
Note 5 - Trade Receivables and Other (Details) [Line Items]
Number of Days Due For Receivables From Contract	30 days
Maximum [Member]
Note 5 - Trade Receivables and Other (Details) [Line Items]
Number of Days Due For Receivables From Contract	45 days