XML 71 R80.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
International Retirement Plan (Schedule of Accumulated And Projected Benefit Obligations) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Retirement Benefits [Abstract]      
Projected benefit obligation $ 10,497 $ 8,658 $ 8,434
Accumulated benefit obligation $ 9,351 $ 7,587