Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
May 31, 2018	May 31, 2017
Cash flows from operating activities:
Net income	$ 52,613	$ 42,832
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	28,492	29,531
Stock-based compensation expense	3,318	2,906
Loss from debt transactions	1,310	0
Benefit from deferred income taxes	(14,279)	(1,354)
Gain on disposition of assets, net	(4,989)	(12,097)
Other	1,821	1,388
Change in operating assets and liabilities:
(Increase) decrease in restricted cash	5,088	4,549
(Increase) decrease in accounts receivable and other assets	(5,749)	(2,124)
Increase (decrease) in accounts payable	(705)	(2,894)
Increase (decrease) in accrued and other liabilities	(3,998)	(12,701)
Increase (decrease) in income taxes	1,910	44
Total adjustments	12,219	7,248
Net cash provided by operating activities	64,832	50,080
Cash flows from investing activities:
Purchases of property and equipment	(24,523)	(37,146)
Proceeds from sale of assets	16,278	62,393
Proceeds from sale of investment in refranchised drive-in operations	0	8,354
Issuance of notes receivable	(14,158)	(1,214)
Collections on notes receivable	6,232	10,114
Other	659	1,674
Net cash provided by (used in) investing activities	(15,512)	44,175
Cash flows from financing activities:
Purchases of treasury stock	(110,621)	(128,180)
Payment of dividends	(18,184)	(18,485)
Payments on debt	(171,000)	(10,417)
Proceeds from borrowings	253,000	43,000
Restricted cash for securitization obligations	28,294	203
Debt issuance costs and prepayment premiums	(5,121)	(10)
Proceeds from exercise of stock options	1,635	2,528
Other	(4,794)	(2,936)
Net cash used in financing activities	(26,791)	(114,297)
Net increase (decrease) in cash and cash equivalents	22,529	(20,042)
Cash and cash equivalents at beginning of period	22,340	72,092
Cash and cash equivalents at end of period	44,869	52,050
Cash paid during the period for:
Interest	22,626	20,210
Income taxes (net of refunds)	10,175	22,985
Non-cash investing and financing activities:
Net additions to capital lease obligations	97	1,433
Change in obligation to acquire treasury stock	(1,521)	(516)
Stock options exercised by swap	$ 2,697	$ 0

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- Definition

Amount of cash inflow (outflow) from financing activities classified as other.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3095-108585

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-Publisher FASB
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-Topic 230
-SubTopic 10
-Section 45
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3098-108585

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- Definition

The net cash inflow or outflow from cash and cash items that are not available for withdrawal or usage.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
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-Section 45
-Paragraph 15
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- Definition

The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585

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- Definition

Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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-Subparagraph (a)
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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 2A
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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
-Paragraph 15
-Subparagraph (b)
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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

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