Fair Value Measurements

6 Months Ended

Jun. 30, 2015

Fair values of assets and liabilities are determined based on a three-level measurement input hierarchy.

Level 1 inputs are quoted prices in active markets for identical assets or liabilities as of the measurement date.

Level 2 inputs are other than quoted market prices that are observable, either directly or indirectly, for an asset or liability. Level 2 inputs can include quoted prices in active markets for similar assets or liabilities, quoted prices in a market that is not active for identical assets or liabilities, or other inputs that can be corroborated by observable market data. The Company uses quoted prices of similar instruments with an active market to determine the fair value of its Level 2 investments.

Level 3 inputs are unobservable for the asset or liability when there is little, if any, market activity for the asset or liability. Level 3 inputs are based on the best information available, and may include data developed by the Company. The Company uses the net asset value included in quarterly statements it receives in arrears from a venture capital fund to determine the fair value of such fund. The Company determines the fair value of certain corporate securities and corporate obligations by incorporating and reviewing prices provided by third-party pricing services based on the specific features of the underlying securities.

Assets and liabilities measured at fair value on a recurring basis at June 30, 2015, summarized by measurement input category, were as follows:



	Total		Level 1		Level 2		Level 3
	(in thousands)
Assets
Cash, including short-term deposits⁽¹⁾	$	63,907	$	63,907	$	—	$	—
Restricted cash	21,385		21,385		—		—
Mutual funds⁽²⁾	16,361		16,361		—		—
Corporate securities⁽²⁾	73,437		62,044		—		11,393
Corporate obligations⁽²⁾	34,298		—		10,675		23,623
Investments in equity-method investees	38,834		38,834		—		—
Investments in certain funds⁽³⁾	467		—		—		467
Total assets	$	248,689	$	202,531	$	10,675	$	35,483

Liabilities
Financial instrument obligations	$	21,385	$	21,385	$	—	$	—


(1)	Reported within "Cash and cash equivalents"


(2)	Reported within “Marketable securities”


(3)	Reported within "Other long-term investments"

Assets and liabilities measured at fair value on a recurring basis at December 31, 2014, summarized by measurement input category, were as follows:



	Total		Level 1		Level 2		Level 3
	(in thousands)
Assets
Cash, including short-term deposits⁽¹⁾	$	51,910	$	51,910	$	—	$	—
Mutual funds⁽²⁾	20,970		20,970		—		—
Corporate securities⁽²⁾	87,850		72,798		—		15,052
Corporate obligations⁽²⁾	29,637		—		10,793		18,844
Investments in equity-method investees	24,355		24,355		—		—
Investments in certain funds⁽³⁾	525		—		—		525
Total	$	215,247	$	170,033	$	10,793	$	34,421

Liabilities
Financial instrument obligations	$	21,311	$	21,311	$	—	$	—


(1)	Reported within "Cash and cash equivalents."


(2)	Reported within “Marketable securities.”


(3)	Reported within "Other long-term investments."

There were no transfers of securities among the various measurement input levels during the six months ended June 30, 2015.

Changes in the fair value of assets valued using Level 3 measurement inputs during the three and six months ended June 30, 2015 and 2014, were as follows:



	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
	(in thousands)
Balance, beginning of period	$	31,373		$	30,391		$	34,421		$	24,209
Purchases	5,108			5,239			5,108			10,538
Sales	(359		)	(2,758		)	(522		)	(4,732		)
Realized losses on sale	—			(129		)	—			(129		)
Unrealized gains (losses)	(639		)	(397		)	(3,524		)	2,460
Balance, end of period	$	35,483		$	32,346		$	35,483		$	32,346

Realized gains and losses on the sale of investments using Level 3 measurement inputs are recognized as a component of "Other income (expense), net". Unrealized gains and losses on investments using Level 3 measurement inputs are recognized as a component of "Other comprehensive income".

The carrying value of the Company's long-term debt (see Note 9) is a reasonable approximation of its fair value since it is a variable-rate obligation.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

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