Condensed Consolidated Statements Of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 29, 2016	Feb. 28, 2015	Feb. 29, 2016	Feb. 28, 2015
Revenues:
Company Drive-In sales	$ 95,313	$ 92,309	$ 199,196	$ 192,447
Franchise Drive-Ins:
Franchise royalties and fees	36,047	32,407	75,969	70,671
Lease revenue	1,399	979	2,991	2,044
Other	401	524	807	913
Total revenues	133,160	126,219	278,963	266,075
Costs and expenses:
Food and packaging	26,213	25,828	55,159	54,401
Payroll and other employee benefits	35,359	33,880	71,723	69,151
Other operating expenses, exclusive of depreciation and amortization included below	20,100	19,924	43,008	42,529
Total cost of Company Drive-In sales	81,672	79,632	169,890	166,081
Selling, general and administrative	20,785	18,138	41,725	36,926
Depreciation and amortization	11,057	11,539	22,056	23,199
Other operating (income) expense, net	(2,566)	(81)	(2,965)	340
Total costs and expenses	110,948	109,228	230,706	226,546
Income from operations	22,212	16,991	48,257	39,529
Interest expense	6,467	6,318	12,689	12,599
Interest income	(105)	(97)	(205)	(199)
Net interest expense	6,362	6,221	12,484	12,400
Income before income taxes	15,850	10,770	35,773	27,129
Provision for income taxes	5,031	3,108	12,496	9,382
Net income	$ 10,819	$ 7,662	$ 23,277	$ 17,747
Basic income per share	$ 0.22	$ 0.14	$ 0.47	$ 0.33
Diluted income per share	0.22	0.14	0.46	0.32
Cash dividends declared per common share	$ 0.11	$ 0.09	$ 0.22	$ 0.18