Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2015

Fair Value, Assets Measured on Recurring Basis

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."

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation

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