Derivative Instruments (Tables)

12 Months Ended

Dec. 31, 2012

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,
	2012		2011		2010
Change in gains (losses) from foreign exchange derivatives	$	(1,347)	$	(825)	$	5,074
Gain (loss) on net foreign currency assets		406		(1,181)		(5,243)
Net foreign exchange loss	$	(941)	$	(2,006)	$	(169)
	As of
	December 31, 2012		December 31, 2011
Notional balance of outstanding contracts:
Euro/US dollar	€	37,598	€	36,684
Pound/US dollar	£	3,810	£	6,016
Net fair value of outstanding contracts	$	18	$	(54)

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, 2012		December 31, 2011
Net unrealized gains (losses) in other comprehensive income:
Gross	$	(9,936)	$	8,878
Income tax expense (benefit)		(2,695)		2,669
Net	$	(7,241)	$	6,209

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, 2012		December 31, 2011
Notional balance of outstanding contracts versus the dollar	€	88,680	€	85,105
Hedge effectiveness		100%		100%

	Year Ended December 31,
		2012		2011		2010
Net gains and (losses) included in revenue	$	4,201	$	(4,159)	$	(630)

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, 2012		December 31, 2011
Assets:
Prepaid expenses and other current assets	$	0	$	9,210
Total	$	0	$	9,210
Liabilities:
Accrued liabilities	$	2,045	$	0
Total	$	2,045	$	0