Quarterly report pursuant to Section 13 or 15(d)

Debt, Derivatives (Details)

v3.4.0.3
Debt, Derivatives (Details) - Designated as Hedging Instrument [Member] - Interest Rate Swaps [Member] - USD ($)
$ in Thousands
Mar. 31, 2016
Sep. 30, 2015
Derivatives, Fair Value [Line Items]    
Total derivatives $ (5,746) $ (3,686)
Current assets: Other Current Assets [Member]    
Derivatives, Fair Value [Line Items]    
Assets derivatives 26 0
Long-term assets: Other Assets [Member]    
Derivatives, Fair Value [Line Items]    
Assets derivatives 126 0
Current Liabilities: Other Current Liabilities [Member]    
Derivatives, Fair Value [Line Items]    
Liability derivatives (1,465) (1,165)
Long-Term Liabilities: Other Liabilities [Member]    
Derivatives, Fair Value [Line Items]    
Liability derivatives $ (4,433) $ (2,521)