Annual report pursuant to Section 13 and 15(d)

PENSION AND OTHER POSTRETIREMENT PLANS - Benefit Payments Expected to be Paid (Details)

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PENSION AND OTHER POSTRETIREMENT PLANS - Benefit Payments Expected to be Paid (Details)
$ in Thousands
Sep. 30, 2018
USD ($)
Pension  
Defined Benefit Plan Disclosure [Line Items]  
2018 $ 10,348
2019 10,602
2020 11,141
2021 12,408
2022 12,772
2023-2027 72,916
Total 130,187
Other Postretirement  
Defined Benefit Plan Disclosure [Line Items]  
2018 1,075
2019 1,036
2020 1,062
2021 1,098
2022 1,117
2023-2027 6,062
Total $ 11,450