XML 50 R35.htm IDEA: XBRL DOCUMENT v3.10.0.1
Derivative Instruments and Hedging Activity (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Maximum [Member]          
Derivative instruments and hedging activity for the period [Abstract]          
Number of months for contracts to mature     18 months    
Forward Exchange Contracts [Member]          
Derivative instruments and hedging activity for the period [Abstract]          
Amount of gain (loss) reclassified into net earnings $ (100) $ 200 $ (100) $ 200  
Forward Exchange Contracts [Member] | Cash Flow Hedges [Member]          
Derivative instruments and hedging activity for the period [Abstract]          
Derivative, fair value 28,800   28,800   $ 44,900
Foreign Currency Denominated Debt, Net Investment Hedging [Member]          
Derivative instruments and hedging activity for the period [Abstract]          
Carrying value of foreign denominated debt 255,200   255,200   $ 261,900
Impact of foreign exchange rates on debt instruments recorded in Other Comprehensive Income $ (13,600)   $ (6,700)