XML 103 R38.htm IDEA: XBRL DOCUMENT v2.4.0.6
Financial Assets and Financial Liabilities Measured at Fair Value (Tables)
12 Months Ended
Dec. 31, 2012
Fair Value Disclosures [Abstract]  
Carrying values and estimated fair values of long-term debt, including current maturities
The carrying values and estimated fair values of long-term debt, including current maturities, at December 31, 2012 and 2011 follow:
 
 
 
December 31, 2012
 
December 31, 2011
 
 
Carrying
 
Fair Value
 
Carrying
 
Fair Value
(in millions)
 
Value
 
(Level 2)
 
Value
 
(Level 2)
Total long-term debt
 
$
1,417.5

 
$
1,561.2

 
$
1,567.6

 
$
1,702.4

Fair values for derivatives
 
 
 
Fair Value
As of
 
Fair Value
As of
 
 
December 31, 2012
 
December 31, 2011
(in millions)
 
(Level 2)
 
(Level 2)
Interest rate swaps — net asset (liability) position
 
$
17.0

 
$
3.3