XML 84 R74.htm IDEA: XBRL DOCUMENT v3.10.0.1
Employee Benefits - Funded Status (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
United Kingdom      
Defined Benefit Plan Disclosure [Line Items]      
Projected benefit obligation $ (30,045) $ (37,759)  
Fair value of plan assets 27,297 32,423 $ 24,876
Funded status (2,748) (5,336)  
Non-current other liabilities (note 8) (2,748) (5,336)  
Switzerland      
Defined Benefit Plan Disclosure [Line Items]      
Projected benefit obligation (5,279) (5,927)  
Fair value of plan assets 4,707 5,202 $ 6,006
Funded status (572) (725)  
Non-current other liabilities (note 8) $ (572) $ (725)