XML 139 R124.htm IDEA: XBRL DOCUMENT v3.7.0.1
Employee Retirement Plans - Components of Net Periodic Benefit Cost (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Compensation and Retirement Disclosure [Abstract]    
Service cost—benefits earning during the period $ 15 $ 61
Interest cost on projected benefit obligation 6,659 7,330
Expected return on assets (7,063) (7,507)
Actuarial loss 2,830 512
Foreign currency gain (loss) (225) (12)
Net pension benefit 2,216 384
Net recognized benefit cost and other comprehensive income 400 100
Gain included in other comprehensive income $ 2,600 $ 500