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FAIR VALUE MEASUREMENTS (Tables)
 12 Months Ended
Dec. 31, 2013
Fair Value Disclosures [Abstract]  
Assets Measured at Fair Value on Recurring Basis

The Company’s assets which are measured at fair value on a recurring basis as of December 31, 2013 and 2012 were determined using the inputs described above (in millions):

 

          Fair Value Measurements Using  
    Carrying
Value		     Quoted Prices in
Active Markets for
Identical Assets
(Level 1)		     Significant Other
Observable
Inputs
(Level 2)		     Significant
Unobservable Inputs
(Level 3)		  

December 31, 2013:

        

Classified as current assets:

        

Cash and money market funds

   $ 34.9      $ 34.9      $ —      $ —   

Certificates of deposit

     11.0        11.0        —        —   

Commercial paper

     5.0        —        5.0        —   

Securities of government-sponsored entities

     7.5        —        7.5        —   

Corporate debt securities

     87.4        —        87.4        —   
 

 

 

    

 

 

    

 

 

    

 

 

  

Subtotal

     145.8        45.9        99.9        —   

Classified as long-term assets:

        

Certificates of deposit

     4.4        4.4        —        —   
 

 

 

    

 

 

    

 

 

    

 

 

  

Total

     150.2        50.3        99.9        —   

Less cash, cash equivalents and restricted cash

     (49.2 )      (39.3 )      (9.9 )      —   
 

 

 

    

 

 

    

 

 

    

 

 

  

Total investments

   $ 101.0      $ 11.0      $ 90.0      $ —   
 

 

 

    

 

 

    

 

 

    

 

 

  

December 31, 2012:

        

Classified as current assets:

        

Cash and money market funds

   $ 53.2      $ 53.2      $ —      $ —   

Certificates of deposit

     11.9        11.9        —        —   

Commercial paper

     25.7        —        25.7        —   

Corporate debt securities

     82.2        —        82.2        —   
 

 

 

    

 

 

    

 

 

    

 

 

  

Subtotal

     173.0        65.1        107.9        —   

Classified as long-term assets:

        

Certificates of deposit

     4.8        4.8        —        —   
 

 

 

    

 

 

    

 

 

    

 

 

  

Total

     177.8        69.9        107.9        —   

Less cash, cash equivalents and restricted cash

     (68.1 )      (57.5 )      (10.6 )      —   
 

 

 

    

 

 

    

 

 

    

 

 

  

Total investments

   $ 109.7      $ 12.4      $ 97.3      $ —