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Fair Value Measurements
12 Months Ended
Dec. 31, 2013
Fair Value Disclosures [Abstract]  
Fair Value Measurements
NOTE 15 Fair Value Measurements
The estimated fair values of our financial instruments as of our balance sheet dates are presented below:
 
 
2013
 
2012
(In thousands)
 
Carrying
Amount
 
Fair
Value
 
Carrying
Amount
 
Fair
Value
Cash, short-term investments and restricted cash (Level 1)
 
$
95,206

 
$
95,206

 
$
34,079

 
$
34,079

Long-term debt (Level 1)
 
650,000

 
651,313

 
523,933

 
572,625


Accounting guidance establishes a framework for measuring the fair value of financial instruments, providing a hierarchy that prioritizes the inputs to valuation techniques used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities, or “Level 1” measurements, followed by quoted prices of similar assets or observable market data, or “Level 2” measurements, and the lowest priority to unobservable inputs, or “Level 3” measurements.
The asset’s or liability’s fair value measurement level within the fair value hierarchy is based on the lowest level of any input that is significant to the fair value measurement. Valuation techniques used should seek to maximize the use of observable inputs and minimize the use of unobservable inputs.
Cash, short-term investments, restricted cash and long-term debt are the only items measured at fair value on a recurring basis. The carrying amount of our short-term investments approximates fair value due to their very short maturity periods, and such investments are at or near market yields.
We do not have any financial assets measured at fair value on a nonrecurring basis. Nonfinancial assets measured at fair value on a nonrecurring basis include items such as long-lived assets held and used that are measured at fair value resulting from impairment, if deemed necessary.