Quarterly report pursuant to Section 13 or 15(d)

Debt - Gain (Loss) on Derivatives (Details)

v3.10.0.1
Debt - Gain (Loss) on Derivatives (Details) - Cash Flow Hedging - Interest Rate Swaps - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of Gain Recognized in AOCI on Derivatives     $ 5,286 $ 6,712
Interest Expense        
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of Gain Recognized in Income on Derivatives $ 490 $ 306 755 1,616
Amount of Gain Reclassified from AOCI into Income (Effective Portion)     $ 570 $ 986