Reportable Segments (Details Textual)	12 Months Ended
	Aug. 29, 2018 segment franchise	Aug. 29, 2018 restaurant	Aug. 29, 2018 contract	Aug. 30, 2017 properties restaurant contract	Aug. 31, 2016 restaurant contract
Segment Reporting Information [Line Items]
Number of reportable segments	3
Number of restaurants | properties				5
Company-owned restaurants
Segment Reporting Information [Line Items]
Number of reportable segments	1
Number of restaurants | restaurant		146		167	175
Culinary contract services
Segment Reporting Information [Line Items]
Number of contracts | contract			28	25	24
Franchise operations
Segment Reporting Information [Line Items]
Number of restaurants	105	105		113	113
Franchise term	20 years