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Fair Value Measurements
3 Months Ended
Mar. 31, 2013
Fair Value Disclosures [Abstract]  
Fair Value Measurements
Fair Value Measurements
The Company does not have a material amount of financial instruments, non-financial assets or non-financial liabilities that are required under U.S. GAAP to be measured on a recurring basis at fair value. The Company has not elected to use fair value measurement, as provided under U.S. GAAP, for any assets or liabilities for which fair value measurement is not presently required.
 
The Company believes the fair values of cash equivalents, accounts receivable, accounts payable and the current portion of long-term debt approximate the carrying amounts due to their short duration.
 
The fair values of non-current financial liabilities at March 31, 2013 and December 31, 2012, determined based on Level 2 inputs, were as follows:
 
 
March 31, 2013
 
December 31, 2012
 
 
Carrying
Amount
 
Fair Value
 
Carrying
Amount
 
Fair Value
 
 
(in millions)
Long-term debt, less current maturities
 
$
1,204.4

 
$
1,338.4

 
$
1,202.1

 
$
1,334.2