XML 49 R11.htm IDEA: XBRL DOCUMENT v2.4.0.6
Deferred Revenue and Advances From Customers
3 Months Ended
Mar. 31, 2012
Deferred Revenue and Advances from Customers  
Deferred Revenue and Advances From Customers
5. DEFERRED REVENUE AND ADVANCES FROM CUSTOMERS

   
March 31,
2012
   
December 31,
2011
 
   
(millions)
 
Deferred revenue
  $ 146.8     $ 181.5  
Advances from customers
    22.3       23.7  
    $ 169.1     $ 205.2  
                 
Deferred costs associated with deferred revenue
  $ 139.7     $ 175.5  
 
Advances from customers included $21.2 million as of March 31, 2012 and $22.3 million as of December 31, 2011 for services to be provided to DOE or to be applied to existing receivables balances due from DOE in USEC's contract services segment. DOE funded this work through an arrangement whereby DOE transferred uranium to USEC which USEC immediately sold in the market.