FAIR VALUE MEASUREMENTS (Tables)

9 Months Ended

Sep. 30, 2011

Schedule of components of financial assets and liabilities measured at fair value

				As of September 30, 2011										As of December 31, 2010

				Carrying Value			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)			Carrying Value			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
	Cash equivalents:
		Money market funds		$	78,340		$	78,340	$	—	$	—		$	91,448		$	91,448	$	—	$	—
	Marketable securities:
		Available-for-sale debt securities:
			Corporate bonds		2,967			2,967		—		—			6,340			—		6,340		—
			Government-sponsored enterprise securities		—			—		—		—			1,826			—		1,826		—

				$	81,307		$	81,307	$	—	$	—		$	99,614		$	91,448	$	8,166	$	—

Liabilities:
	Acquisition-related contingent consideration			$	(424,317	)	$	—	$	—	$	(424,317	)	$	(20,220	)	$	—	$	—	$	(20,220	)

Schedule of reconciliation of contingent payment obligations measured on a recurring basis

			Balance, January 1, 2011			Issuances			Net Unrealized Loss (Gain)^(a)			Foreign Exchange^(b)			Transfers Into Level 3			Transfers Out of Level 3			Balance, September 30, 2011

	Acquisition-related contingent consideration			20,220			397,150			9,042			(2,095	)		—			—			424,317

(a): Recognized as acquisition-related contingent consideration in the consolidated statements of income (loss).
(b): Included in foreign exchange and other in the consolidated statements of income (loss).

- 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 during the period 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 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, issuances, 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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