Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2016	Nov. 30, 2015
Cash flows from operating activities:
Net income	$ 13,118	$ 12,458
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	10,277	10,999
Stock-based compensation expense	1,073	956
Other	(3,028)	(722)
(Increase) decrease in operating assets:
Restricted cash	7,472	5,355
Accounts receivable and other assets	1,391	(105)
Increase (decrease) in operating liabilities:
Accounts payable	3,284	6,282
Accrued and other liabilities	(19,361)	(11,962)
Income taxes	5,005	2,507
Total adjustments	6,113	13,310
Net cash provided by operating activities	19,231	25,768
Cash flows from investing activities:
Purchases of property and equipment	(14,845)	(8,458)
Proceeds from sale of assets	10,826	1,615
Proceeds from sale of investment in refranchised drive-in operations	6,958	0
Other	4,278	1,238
Net cash provided by (used in) investing activities	7,217	(5,605)
Cash flows from financing activities:
Payments on debt	(1,062)	(32,948)
Proceeds from borrowings	0	78,000
Purchases of treasury stock	(49,096)	(49,572)
Proceeds from exercise of stock options	29	597
Payment of dividends	(6,345)	(5,448)
Other	(976)	(1,162)
Net cash used in financing activities	(57,450)	(10,533)
Net increase (decrease) in cash and cash equivalents	(31,002)	9,630
Cash and cash equivalents at beginning of period	72,092	27,191
Cash and cash equivalents at end of period	41,090	36,821
Cash paid during the period for:
Interest	6,700	5,748
Income taxes (net of refunds)	2,514	5,092
Non-cash investing and financing activities:
Additions to direct financing leases from property, equipment and capital leases	21,082	0
Net additions to capital lease obligations	1,433	0
Change in obligation to acquire treasury stock	$ 1,458	$ (2,457)