Derivatives and Hedging (Tables)

6 Months Ended

Jun. 30, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Balance Sheet Hedges Cover Currency Exposures in Notional Amounts

These balance sheet hedges cover currency exposures in the following line items in the notional amounts indicated (in thousands):

Balance sheet categories	June 30, 2018		December 31, 2017
Accounts Receivable	$	50,010	$	44,427
Other assets and liabilities, net	39,367		46,550
Intercompany balances	161,351		144,477
Total	$	250,728	$	235,454