Hedging Instruments (Tables)

12 Months Ended

Dec. 31, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Fair Values and Balance Sheet Classifications of Derivatives Designated as Hedging Instruments

The following tables present the effect of cash flow hedge accounting on our consolidated statements of income and comprehensive income, and provide information regarding the location and amounts of pretax gains or losses of derivatives (in thousands): 

		Years Ended December 31,
		2018			2017		2016
Financial statement line items in which effects of cash flow hedges are recorded	Cost of revenue	$	971,700		$	871,676	$	799,987
Foreign exchange contracts
Amount of gain (loss) reclassified from accumulated other comprehensive income into income		$	(976	)	$	27	$	3,200

Fair Values of Hedging Instruments Designated as Hedges in Consolidated Balance Sheets

The fair values of hedging instruments, and their respective classification on the consolidated balance sheets and amounts subject to offset under master netting arrangements consisted of the following derivative instruments, unless otherwise noted (in thousands):

		Hedging Assets
		December 31, 2018		December 31, 2017
Derivatives and non-derivatives designated as hedging instruments	Balance Sheet Classification
Foreign currency exchange contracts	Other current assets	$	8,163	$	477
Cross currency swaps	Other long-term assets	1,789		—
Total derivative instruments presented as hedge instruments on the balance sheet		9,952		477
Gross amounts subject to master netting arrangements not offset on the balance sheet		603		477
Net amount		$	9,349	$	—

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		Hedging Liabilities
		December 31, 2018		December 31, 2017
Derivatives and non-derivatives designated as hedging instruments	Balance Sheet Classification
Foreign currency exchange contracts	Accrued liabilities	$	603	$	6,468
Total derivative instruments presented as cash flow hedges on the balance sheet		603		6,468
Non-derivative foreign currency denominated debt designated as net investment hedge on the balance sheet(1)	Long-term debt	101,777		106,567
Total hedging instruments presented on the balance sheet		102,380		113,035
Gross amounts subject to master netting arrangements not offset on the balance sheet		603		477
Net amount		$	101,777	$	112,558

(1) Amounts represent reported carrying amounts of our foreign currency denominated debt. See "Note 17. Fair Value Measurements" for information regarding the fair value of our long-term debt.