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DEFINED BENEFIT PLANS (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2015
Mar. 31, 2014
Compensation and Retirement Disclosure [Abstract]        
Service Cost $ 232us-gaap_DefinedBenefitPlanServiceCost $ 245us-gaap_DefinedBenefitPlanServiceCost $ 477us-gaap_DefinedBenefitPlanServiceCost $ 490us-gaap_DefinedBenefitPlanServiceCost
Interest Cost 265us-gaap_DefinedBenefitPlanInterestCost 335us-gaap_DefinedBenefitPlanInterestCost 544us-gaap_DefinedBenefitPlanInterestCost 669us-gaap_DefinedBenefitPlanInterestCost
Expected return on plan assets (175)us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets (167)us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets (350)us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets (334)us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets
Amortization of net loss (6)us-gaap_DefinedBenefitPlanFutureAmortizationOfGainLoss 28us-gaap_DefinedBenefitPlanFutureAmortizationOfGainLoss (13)us-gaap_DefinedBenefitPlanFutureAmortizationOfGainLoss 56us-gaap_DefinedBenefitPlanFutureAmortizationOfGainLoss
Amortization of prior service cost 61us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit 19us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit 123us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit 38us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
Net periodic benefit cost $ 377us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost $ 460us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost $ 781us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost $ 919us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost