Accumulated Other Comprehensive Income (Tables)

12 Months Ended

Dec. 31, 2017

Accumulated Other Comprehensive Income [Abstract]

Schedule Of Accumulated Other Comprehensive Income

		Unrealized Gain (Loss) on Investments, Net of Tax		Unrealized Gain (Loss) on Derivatives Instruments, Net of Tax		Unrealized Gain on Net Investment Hedge, Net of Tax		Cumulative Translation Adjustment		Total
Balance as of December 31, 2015	$	(225)	$	2,217	$	1,894	$	(46,151)	$	(42,265)
Other comprehensive income (loss) before reclassifications		245		4,950		2,142		(5,874)		1,463
Gains reclassified from accumulated other comprehensive income		-		(2,251)		-		-		(2,251)
Balance as of December 31, 2016		20		4,916		4,036		(52,025)		(43,053)
Other comprehensive income (loss) before reclassifications		(42)		(10,332)		(8,347)		25,107		6,386
Gains reclassified from accumulated other comprehensive income		-		197		-		-		197
Balance as of December 31, 2017	$	(22)	$	(5,219)	$	(4,311)	$	(26,918)	$	(36,470)

Summary Of Reclassifications Out Of Accumulated Other Comprehensive Income

		Amounts Reclassified from Accumulated Other
	Affected Line Item in the	Comprehensive Income
Details about Accumulated Other	Statement Where	For the Years Ended December 31,
Comprehensive Income Components	Net Income is Presented		2017		2016		2015
Gains (losses) on derivative instruments included in net income:
Foreign currency exchange contracts	Cost of revenue	$	27	$	3,621	$	20,878
Interest rate swaps	Interest expense		-		(421)		(1,042)
	Total gains before tax		27		3,200		19,836
	Tax expense		224		949		5,853
	Gains, net of tax	$	(197)	$	2,251	$	13,983