Fair Value Measurements

12 Months Ended

Dec. 31, 2013

FAIR VALUE MEASUREMENTS

The Company categorizes its assets and liabilities measured at fair value into a fair value hierarchy that prioritizes the inputs used in pricing the asset or liability. The three levels of the fair value hierarchy are:


•	Level 1: Observable inputs such as quoted prices for identical assets and liabilities in active markets obtained from independent sources.

•

Level 2: Other inputs that are observable directly or indirectly, such as quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active and inputs that are derived principally from or corroborated by observable market data. The fair value of the Company’s level 2 financial assets is primarily obtained from observable market prices for identical underlying securities that may not be actively traded. Certain of these securities may have different market prices from multiple market data sources, in which case a weighted average market price is used.


•	Level 3: Unobservable inputs for which there is little or no market data and require the Company to develop its own assumptions, based on the best information available in the circumstances, about the assumptions market participants would use in pricing the asset or liability.

The following tables present the Company’s assets that are measured at fair value on a recurring basis:



	December 31, 2013
(in thousands)	Quoted Market Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)		Total Fair Value Measurements
Short-term investments:
Mutual funds	$	2,485	$	—		$	—	$	2,485
U.S. government and agency securities	—		2,233			—		2,233
Corporate obligations	—		14,159		*	—		14,159
Other fixed income securities	—		361			—		361
International securities	—		3,048			—		3,048
Municipal obligations			1,477					1,477
Total	$	2,485	$	21,278		$	—	$	23,763

* Included in this amount is a $4.5 million corporate obligation which has been used to collateralize the Company's line of credit with Bank of America, and is included in the line item "Restricted cash and investments," a component of current assets, on the 2013 consolidated balance sheet. See Note 7, Credit Facilities, for further details.



	December 31, 2012
(in thousands)	Quoted Market Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value Measurements
Short-term investments:
Mutual funds	$	2,507	$	—	$	—	$	2,507
U.S. government and agency securities	—		3,510		—		3,510
Corporate obligations	—		12,796		—		12,796
Other fixed income securities	—		588		—		588
International securities	—		9,781		—		9,781
Total	$	2,507	$	26,675	$	—	$	29,182

Assets measured at fair value on a nonrecurring basis

The Company’s non-financial assets, such as goodwill, intangible assets and property and equipment, are initially measured at cost or fair value. In the event there is an indicator of impairment, such asset's carrying value is adjusted to current fair value only when an impairment charge is recognized. Such impairment charges incorporate fair value measurements based on Level 3 inputs.

The Company has no liabilities that are measured at fair value on a recurring basis.

- 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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