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Goodwill And Other Intangible Assets (Schedule Of Future Estimated Amortization Expense) (Details) (USD $) In Thousands, unless otherwise specified | Nov. 30, 2014 | Aug. 31, 2014
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Finite-Lived Intangible Assets [Line Items] |  |
Net carrying amount | $ 25,353 us-gaap_FiniteLivedIntangibleAssetsNet | $ 23,671 us-gaap_FiniteLivedIntangibleAssetsNet
Trade Names [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Remainder of fiscal year 2015 | 1,849 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember |
Fiscal year 2016 | 2,458 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember |
Fiscal year 2017 | 2,458 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember |
Fiscal year 2018 | 2,458 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember |
Fiscal year 2019 | 2,458 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember |
Thereafter | 10,579 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember |
Net carrying amount | 22,260 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember |
Customer-Related [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Remainder of fiscal year 2015 | 406 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelatedIntangibleAssetsMember |
Fiscal year 2016 | 541 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelatedIntangibleAssetsMember |
Fiscal year 2017 | 541 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelatedIntangibleAssetsMember |
Fiscal year 2018 | 541 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelatedIntangibleAssetsMember |
Fiscal year 2019 | 314 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelatedIntangibleAssetsMember |
Thereafter | 600 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelatedIntangibleAssetsMember |
Net carrying amount | 2,943 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelatedIntangibleAssetsMember |
Technology-Based [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Remainder of fiscal year 2015 | 30 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TechnologyBasedIntangibleAssetsMember |
Fiscal year 2016 | 40 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TechnologyBasedIntangibleAssetsMember |
Fiscal year 2017 | 40 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TechnologyBasedIntangibleAssetsMember |
Fiscal year 2018 | 40 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TechnologyBasedIntangibleAssetsMember |
Net carrying amount | $ 150 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TechnologyBasedIntangibleAssetsMember |

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