EMPLOYEE BENEFIT PLANS, Components of Net Periodic Pension Cost (Details) - USD ($) $ in Thousands |
5 Months Ended | 7 Months Ended | 12 Months Ended | |
|---|---|---|---|---|
Mar. 31, 2020 |
Oct. 31, 2019 |
Mar. 31, 2019 |
Mar. 31, 2018 |
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| Components of net periodic pension cost [Abstract] | ||||
| Service cost for benefits earned during the period | $ 594 | $ 29 | $ 655 | $ 856 |
| Interest cost on pension benefit obligation | 4,109 | 6,705 | 12,984 | 12,914 |
| Expected return on assets | (5,735) | (5,610) | (17,118) | (21,184) |
| Amortization of unrecognized losses | 0 | 0 | 8,001 | 8,151 |
| Net periodic pension cost | $ (1,032) | $ 1,124 | $ 4,522 | $ 737 |
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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of cost recognized for passage of time related to defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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