Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2013

FairValueDisclosuresTextBlockAbstract

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

Assets and liabilities measured at fair value on a recurring basis at September 30, 2013, summarized by measurement input category, were as follows:



	Total		Level 1		Level 2		Level 3
	(in thousands)
Assets
Cash, including short-term deposits⁽¹⁾	$	120,214	$	120,214	$	—	$	—
Mutual funds⁽²⁾	16,129		16,129		—		—
United States government securities⁽²⁾	50,412		50,412		—		—
Corporate securities⁽²⁾	73,970		67,922		—		6,048
Commercial paper⁽³⁾	6,298		—		6,298		—
Corporate obligations⁽²⁾	24,386		—		12,573		11,813
Investments in certain funds⁽⁴⁾	849		—		—		849
	$	292,258	$	254,677	$	18,871	$	18,710


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


(2)	Reported within “Marketable securities”.


(3)	At September 30, 2013, the Company reported $1.7 million and $4.6 million within "Cash and cash equivalents" and "Marketable securities", respectively.


(4)	Reported within "Other investments".



	Total			Level 1		Level 2		Level 3
	(in thousands)
Assets
Cash, including short-term deposits⁽¹⁾	$	68,265		$	68,265	$	—	$	—
Mutual funds⁽²⁾	11,820			11,820		—		—
United States government securities⁽²⁾	99,477			99,477		—		—
Corporate securities⁽²⁾	20,117			20,117		—		—
Commercial paper⁽³⁾	22,291			—		22,291		—
Corporate obligations⁽²⁾	48,714			—		46,931		1,783
Investments in certain funds⁽⁴⁾	1,021			—		—		1,021
	$	271,705		$	199,679	$	69,222	$	2,804

Liabilities
Acquisition-related contingent consideration⁽⁵⁾	$	(475	)	$	—	$	—	$	(475	)


(1)	At December 31 2012, the Company reported $68.2 million and $0.1 million within “Cash and cash equivalents” and “Marketable securities,” respectively.


(2)	Reported within “Marketable securities.”


(3)	At December 31, 2012, the Company reported $3.4 million and $18.9 million within "Cash and cash equivalents" and "Marketable securities."


(4)	Reported within "Other investments".


(5)	Reported within “Accrued expenses”

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

Changes in the fair value of assets valued using Level 3 measurement inputs during the nine-month period ended September 30, 2013, were as follows:



	Amount
	(in thousands)
Balance, January 1, 2013	$	2,804
Purchases	39,332
Sales	(22,958		)
Realized gain on sale	1,556
Change in fair value	(2,024		)
Balance, September 30, 2013	$	18,710

- 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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