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RETIREMENT BENEFIT PLANS (Schedule of Change in Benefit Obligations and Plan Assets) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Change In Projected Benefit Obligations    
Projected benefit obligations, beginning of year $ 50,364 $ 65,184
Interest cost 1,157 194
Service cost 2,226 2,419
Actuarial (gain) loss 8,229 (14,822)
Plan amendments (1,772) (390)
Plan settlements (25) (20)
Employee contribution 1,182 999
Premiums paid (406) (391)
Benefit payment (812) (999)
Effect of foreign currency exchange rates 4,958 (1,810)
Projected benefit obligations, end of year 65,101 50,364
Change In Plan Assets    
Plan assets at fair value, beginning of year 38,053 39,914
Actual return on plan assets 1,350 (2,863)
Employer contributions 2,700 2,356
Employee contributions 1,182 999
Plan settlements 0 0
Benefits paid (812) (998)
Premiums paid (406) (391)
Effect of foreign currency exchange rates 3,657 (964)
Plan assets at fair value, end of year $ 45,724 $ 38,053