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RETIREMENT BENEFIT PLANS (Schedule of Expected Benefit Payments and Minimum Contribution on Unfunded Plans) (Details)
$ in Thousands
Dec. 31, 2018
USD ($)
Retirement Benefits [Abstract]  
2019 $ 1,410
2020 1,516
2021 1,317
2022 1,433
2023 1,878
Next five years $ 2,978