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Subsequent Events (Details) (USD $)
4 Months Ended 3 Months Ended
Jan. 18, 2015
Jan. 19, 2014
Apr. 12, 2015
Apr. 14, 2014
agreements
Aug. 31, 2010
agreements
Subsequent Event [Line Items]          
Number of Interest Rate Derivatives Held       9us-gaap_NumberOfInterestRateDerivativesHeld 2us-gaap_NumberOfInterestRateDerivativesHeld
Proceeds from Divestiture of Businesses $ 1,174,000us-gaap_ProceedsFromDivestitureOfBusinesses $ 468,000us-gaap_ProceedsFromDivestitureOfBusinesses      
Common Stock, Dividends, Per Share, Declared $ 0.20us-gaap_CommonStockDividendsPerShareDeclared        
Subsequent Event [Member]          
Subsequent Event [Line Items]          
Common Stock, Dividends, Per Share, Declared     $ 0.20us-gaap_CommonStockDividendsPerShareDeclared
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
   
Interest Rate Swaps [Member]          
Subsequent Event [Line Items]          
Derivative, Notional Amount       300,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
100,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember