XML 97 R80.htm IDEA: XBRL DOCUMENT v3.6.0.2
International Retirement Plan (Components Of Net Periodic Benefit Costs And Other Amounts Recognized In Other Comprehensive Income) (Details) - International Retirement Plan [Member] - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items]    
Service cost $ 154 $ 178
Interest cost 159 156
Amortization of actuarial loss 128 154
Total 441 488
Net (gain) loss 1,437 (338)
Total expense recognized in net periodic benefit cost and other comprehensive income (loss) $ 1,878 $ 150