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DEBT - Annual Maturities (Details) (USD $)
In Thousands, unless otherwise specified
Nov. 30, 2014
Aug. 31, 2014
Maturities of long-term debt    
2015 $ 10,932us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths  
2016 26,849us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo  
2017 17,754us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree  
2018 10,617us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour  
2019 25,649us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive  
Thereafter 4,509us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive  
Long-term Debt $ 96,310us-gaap_LongTermDebt $ 91,439us-gaap_LongTermDebt