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Goodwill And Other Intangible Assets (Narrative) (Details) (USD $) In Thousands, unless otherwise specified | 9 Months Ended | 12 Months Ended
--- | --- | ---
May 31, 2013 | Aug. 31, 2012
Finite Lived Intangible Assets [Line Items] |  |
Finite Lived Intangible Assets Net | $ 26,113 | $ 27,685
Trade Names [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Finite Lived Intangible Assets Net | 26,113 |
2000 Flushes [Member] | Trade Names [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Asset, Useful Life | 7 years | 14 years 10 months
Finite Lived Intangible Assets Net | $ 9,300 |

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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of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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