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DEFINED BENEFIT PENSION EXPENSE (Tables)
 6 Months Ended
Mar. 31, 2017
Compensation and Retirement Disclosure [Abstract]  
Schedule of Defined Benefit Plans Disclosures
Defined benefit pension expense (income) was as follows:
 
Three Months Ended March 31,
 
Six Months Ended March 31,
 
2017
 
2016
 
2017
 
2016
Interest cost
$
1,402

 
$
2,080

 
$
2,804

 
$
4,160

Expected return on plan assets
(2,736
)
 
(2,916
)
 
(5,472
)
 
(5,832
)
Amortization:
 

 
 

 
 

 
 

Prior service cost
4

 
4

 
8

 
8

Recognized actuarial loss
832

 
591

 
1,664

 
1,181

Net periodic expense (income)
$
(498
)
 
$
(241
)
 
$
(996
)
 
$
(483
)