Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2016

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following tables summarize the Company's assets and liabilities that are measured at fair value on a recurring basis (in thousands):



			Fair Value Measurement at Reporting Date Using
Description	March 31, 2016		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents	$	236,783	$	236,783	$	—	$	—
Fair value option investments	129,625		—		—		129,625
Available-for-sale securities:
Convertible debt securities	10,173		—		—		10,173
Redeemable preferred shares	22,699		—		—		22,699

Liabilities:
Contingent consideration	13,938		—		—		13,938



			Fair Value Measurement at Reporting Date Using
Description	December 31, 2015		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents	$	305,179	$	305,179	$	—	$	—
Fair value option investments	130,725		—		—		130,725
Available-for-sale securities:
Convertible debt securities	10,116		—		—		10,116
Redeemable preferred shares	22,834		—		—		22,834

Liabilities:
Contingent consideration	10,781		—		—		10,781

Fair Value, Assets and Liabilities, Reconciliation of Level 3 Inputs [Table Text Block]

The following table provides a roll-forward of the fair value of recurring Level 3 fair value measurements for the three months ended March 31, 2016 and 2015 (in thousands):



	Three Months Ended March 31,
	2016			2015
Assets
Fair value option investments:
Beginning Balance	$	130,725		$	—
Total gains (losses) included in earnings	(1,100		)	—
Ending Balance	$	129,625		$	—
Unrealized gains (losses) still held ⁽¹⁾	$	(1,100	)	$	—
Available-for-sale securities
Convertible debt securities:
Beginning Balance	$	10,116		$	2,527
Total gains (losses) included in other comprehensive income	19			230
Total gains (losses) included in other income (expense), net ⁽²⁾	38			—
Ending Balance	$	10,173		$	2,757
Unrealized gains (losses) still held ⁽¹⁾	$	57		$	230
Redeemable preferred shares:
Beginning Balance	$	22,834		$	4,910
Total gains (losses) included in other comprehensive income (loss)	(135		)	(10		)
Ending Balance	$	22,699		$	4,900
Unrealized (losses) gains still held ⁽¹⁾	$	(135	)	$	(10	)

Liabilities
Contingent Consideration:
Beginning Balance	$	10,781		$	1,983
Reclass to non-fair value liabilities when no longer contingent	(285		)	(331		)
Total losses (gains) included in earnings ⁽³⁾	3,442			(279		)
Ending Balance	$	13,938		$	1,373
Unrealized losses (gains) still held ⁽¹⁾	$	3,316		$	(279	)


(1)	Represents the unrealized losses or gains recorded in earnings and/or other comprehensive income (loss) during the period for assets and liabilities classified as Level 3 that are still held (or outstanding) at the end of the period.


(2)	Represents accretion of interest income and changes in the fair value of an embedded derivative for the three months ended March 31, 2016.


(3)	Changes in the fair value of contingent consideration liabilities are classified within "Acquisition-related expense (benefit), net" on the condensed consolidated statements of operations.

Fair Value of Financial Assets and Liabilities not Measured at Fair Value

The following table presents the carrying amounts and fair values of financial instruments that are not carried at fair value in the consolidated financial statements (in thousands):



	March 31, 2016				December 31, 2015
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Cost method investments	$	15,056	$	16,838	$	14,561	$	15,922