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Goodwill And Other Intangible Assets (Narrative) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Aug. 31, 2013 | Aug. 31, 2012 | Aug. 31, 2011
Finite Lived Intangible Assets [Line Items] |  |  |
Impairment on definite-lived intangible assets | $ 1,077 |  |
Finite Lived Intangible Assets Net | 24,292 | 27,685 | 29,933
Trade Names [Member] |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |
Finite Lived Intangible Assets Net | 24,292 |  |
2000 Flushes [Member] | Trade Names [Member] |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |
Finite Lived Intangible Assets Net | $ 7,900 |  |
2000 Flushes [Member] | Trade Names [Member] | Income Approach Valuation Technique [Member] |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |
Fair Value Inputs, Discount Rate | 11.30% |  |
Fair Value Inputs, Long-term Revenue Growth Rate | 1.50% |  |
Minimum [Member] | 2000 Flushes [Member] | Trade Names [Member] | Income Approach Valuation Technique [Member] |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |
Fair Value Inputs, Long-term Revenue Growth Rate | (13.60%) |  |
Maximum [Member] | 2000 Flushes [Member] | Trade Names [Member] | Income Approach Valuation Technique [Member] |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |
Fair Value Inputs, Long-term Revenue Growth Rate | 1.50% |  |

X
- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition Percentage of assumed long-term growth in revenues, used as an input to measure fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16373-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 46 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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