XML 68 R78.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
RETIREMENT BENEFIT PLANS (Scheduled of Funded Status) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Reconciliation Of Funded Status      
Fair value of plan assets $ 30,770 $ 31,103 $ 26,943
Benefit obligations 66,972 52,542 $ 47,661
Unfunded benefit obligations $ 36,202 $ 21,439