Derivative Instruments (Tables)

12 Months Ended

Dec. 31, 2013

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Financial Information Related to Hedging of Net Assets Included in Consolidated Statement of Earnings

Summary financial information related to these activities included in our consolidated statement of earnings as other income (expense) is as follows (in thousands):

	Year Ended December 31,
	2013		2012		2011
Change in gains (losses) from foreign exchange derivatives	$	(1,998)	$	(1,347)	$	(825)
Gain (loss) on net foreign currency assets		1,474		406		(1,181)
Net foreign exchange loss	$	(524)	$	(941)	$	(2,006)
	As of
	December 31, 2013		December 31, 2012
Notional balance of outstanding contracts:
Euro/US dollar	€	41,021	€	37,598
Pound/US dollar	£	0	£	3,810
Net fair value of outstanding contracts	$	33	$	18

Financial Information Related to Cash Flow Hedges

Summary financial information related to the cash flow hedges is as follows (in thousands):

	As of
	December 31, 2013		December 31, 2012
Net unrealized gains (losses) deferred in other comprehensive income:
Gross	$	208	$	(9,936)
Income tax expense (benefit)		90		(2,695)
Net	$	118	$	(7,241)

Financial Information Related to Cash Flow Hedges of Future Revenues

Summary financial information related to the cash flow hedges of future revenues follows (in thousands, except percentages):

	As of
	December 31, 2013		December 31, 2012
Notional balance of outstanding contracts versus the dollar	€	85,627	€	88,680
Hedge effectiveness		100%		100%

	Year Ended December 31,
		2013		2012		2011
Net gains and (losses) included in revenue	$	(4,294)	$	4,201	$	(4,159)

Forward Contract Amounts Recorded in Consolidated Balance Sheet

The amounts recorded on our consolidated balance sheets are as follows (in thousands):

	As of
	December 31, 2013		December 31, 2012
Liabilities:
Accrued liabilities	$	2,743	$	2,045
Total	$	2,743	$	2,045