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v3.19.2

EMPLOYEE BENEFIT PLANS (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Components of net periodic cost |  |  |  |
Discretionary contribution |  |  | $ 0 | $ 0
Pension |  |  |  |
Components of net periodic cost |  |  |  |
Service cost | $ 1,845,000 | $ 2,035,000 | 5,536,000 | 6,104,000
Interest cost | 3,043,000 | 2,623,000 | 9,129,000 | 7,870,000
Expected return on plan assets | (4,763,000) | (4,910,000) | (14,290,000) | (14,729,000)
Recognized actuarial loss | 1,442,000 | 1,884,000 | 4,324,000 | 5,653,000
Prior service cost amortization | 25,000 | 27,000 | 76,000 | 80,000
Net periodic benefit cost | 1,592,000 | 1,659,000 | 4,775,000 | 4,978,000
OPEB |  |  |  |
Components of net periodic cost |  |  |  |
Service cost | 1,101,000 | 1,152,000 | 3,303,000 | 3,455,000
Interest cost | 2,081,000 | 1,591,000 | 6,243,000 | 4,773,000
Expected return on plan assets | (1,379,000) | (1,338,000) | (4,137,000) | (4,014,000)
Recognized actuarial loss | 1,617,000 | 1,165,000 | 4,850,000 | 3,495,000
Prior service cost amortization | (91,000) | (91,000) | (273,000) | (273,000)
Net periodic benefit cost | $ 3,329,000 | $ 2,479,000 | $ 9,986,000 | $ 7,436,000

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