Derivative Contracts

3 Months Ended

Mar. 31, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

As of March 31, 2019 and December 31, 2018, we had derivative contracts with total notional values of $1.2 billion and $883.9 million, respectively, which are not designated as hedge instruments. Our foreign currency contracts are classified within Level 2 because the valuation inputs are based on quoted prices and market observable data of similar instruments in active markets, such as currency spot and forward rates. The fair values of these outstanding derivative contracts were as follows (in thousands):



	Condensed Consolidated Balance Sheet Location	March 31, 2019		December 31, 2018
Derivative Assets:
Foreign currency derivative contracts	Prepaid expenses and other current assets	$	4,216	$	22,831
Derivative Liabilities
Foreign currency derivative contracts	Accrued expenses and other current liabilities	$	3,279	$	2,441