Cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land or leased assets).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.14)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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- Definition

Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.

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- Definition

The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)

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- Definition

The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45014-112735

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-Topic 840

-SubTopic 10

-Section 55

-Paragraph 40

-Subparagraph (Note 2)

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- Definition

Gross amount of long-lived physical assets excluding assets held under lease agreements used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.13)

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- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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-Publisher FASB

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 13

-Subparagraph a

-Article 5

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 8

-Article 7

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets excluding assets held under lease agreements used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Property, Equipment And Capital Leases (Schedule Of Property, Equipment And Capital Leases) (Details) (USD $) In Thousands, unless otherwise specified											12 Months Ended
	Aug. 31, 2014	Aug. 31, 2013	Aug. 31, 2014 Land [Member]	Aug. 31, 2013 Land [Member]	Aug. 31, 2014 Buildings And Improvements [Member]	Aug. 31, 2013 Buildings And Improvements [Member]	Aug. 31, 2014 Drive-In Equipment [Member]	Aug. 31, 2013 Drive-In Equipment [Member]	Aug. 31, 2014 Brand Technology Development And Other Equipment [Member]	Aug. 31, 2013 Brand Technology Development And Other Equipment [Member]	Aug. 31, 2014 Minimum [Member] Buildings [Member]	Aug. 31, 2014 Minimum [Member] Drive-In Equipment [Member]	Aug. 31, 2014 Minimum [Member] Brand Technology Development And Other Equipment [Member]	Aug. 31, 2014 Maximum [Member] Buildings [Member]	Aug. 31, 2014 Maximum [Member] Drive-In Equipment [Member]	Aug. 31, 2014 Maximum [Member] Brand Technology Development And Other Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	$ 720,776	$ 681,826	$ 156,336	$ 153,868	$ 345,309	$ 336,383	$ 136,556	$ 114,990	$ 82,575	$ 76,585
Accumulated depreciation related to buildings and equipment	(298,580)	(301,236)
Property and equipment, net	422,196	380,590
Capital leases	50,243	47,371
Accumulated amortization	(30,470)	(28,300)
Capital leases, net	19,773	19,071
Property, equipment and capital leases, net	$ 441,969	$ 399,661
Estimated useful life											8 years	5 years	2 years	25 years	7 years	5 years