Quarterly report pursuant to Section 13 or 15(d)

Debt - Derivatives (Details)

v3.5.0.2
Debt - Derivatives (Details) - Designated as Hedging Instrument - Interest Rate Swaps - USD ($)
$ in Thousands
Jun. 30, 2016
Sep. 30, 2015
Derivatives, Fair Value [Line Items]    
Total derivatives $ (8,297) $ (3,686)
Current assets: Other Current Assets    
Derivatives, Fair Value [Line Items]    
Assets derivatives 0 0
Long-term assets: Other Assets    
Derivatives, Fair Value [Line Items]    
Assets derivatives 0 0
Current Liabilities: Other Current Liabilities    
Derivatives, Fair Value [Line Items]    
Liability derivatives (2,040) (1,165)
Long-Term Liabilities: Other Liabilities    
Derivatives, Fair Value [Line Items]    
Liability derivatives $ (6,257) $ (2,521)