XML 72 R62.htm IDEA: XBRL DOCUMENT v3.20.2
DERIVATIVE FINANCIAL INSTRUMENTS - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Sep. 30, 2019
Derivative Instruments [Abstract]          
Gain (loss) reclassified from accumulated other comprehensive income into interest expense, estimated time to transfer 12 months        
Change in pension and other postretirement          
Derivative Instruments [Abstract]          
Other comprehensive income, before tax $ 3,262 $ (39) $ 5,799 $ (40)  
Interest rate swap contract          
Derivative Instruments [Abstract]          
Derivative notional amount 652,000   652,000    
Unrealized gain (loss) on cash flow hedging instruments (2,868)   (17,885)    
Reclassified from accumulated other comprehensive income into interest expense 12,595        
Foreign exchange contracts | Buy          
Derivative Instruments [Abstract]          
Derivative notional amount 6,419   6,419   $ 6,239
Foreign exchange contracts | Sell          
Derivative Instruments [Abstract]          
Derivative notional amount $ 26,800   $ 26,800   $ 24,270