Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Fair Value Hierarchy for Financial Assets and Liabilities

The following table presents our fair value hierarchy for our financial assets and liabilities measured at fair value on a recurring basis as of December 31, 2012 and 2011:



	As of December 31, 2012								As of December 31, 2011
(in thousands)	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets:
Short-term investments	$	7,989	$	82,462	$	—	$	90,451	$	9,290	$	45,287	$	—	$	54,577
Foreign exchange contracts	—		833		—		833		—		6,147		—		6,147
	$	7,989	$	83,295	$	—	$	91,284	$	9,290	$	51,434	$	—	$	60,724
Liabilities:
Foreign exchange contracts	$	—	$	12,911	$	—	$	12,911	$	—	$	2,492	$	—	$	2,492
Contingent Consideration	—		—		18,983		18,983		—		—		38,646		38,646
	$	—	$	12,911	$	18,983	$	31,894	$	—	$	2,492	$	38,646	$	41,138

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

For liabilities with Level 3 inputs, the following table summarizes the activity as of December 31, 2012:



(in thousands) (unaudited)	Fair Value Measurements Using Significant Unobservable Inputs (Level 3) Contingent Consideration
BALANCE AT DECEMBER 31, 2010	$	22,510
Additions from acquisitions	24,885
Payments	(9,065		)
Loss included in earnings	253
Foreign currency translation	63
BALANCE AT DECEMBER 31, 2011	$	38,646
Additions from acquisitions	16,875
Payments	(6,008		)
Gain included in earnings	(11,463		)
Reversals	(19,129		)
Foreign currency translation	62
BALANCE AT DECEMBER 31, 2012	$	18,983

- Definition

Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability.

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