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FAIR VALUE MEASUREMENTS (Tables)
3 Months Ended
Mar. 31, 2013
FAIR VALUE MEASUREMENTS [Abstract]  
Summary of fair value instruments
The following tables categorize our fair value instruments, measured on a recurring basis, according to the assumptions used to calculate those values:
 
     
Fair Value Measurements Using
 
Description
 
 
Asset /
(Liability)
Balance at
3/31/2013
  
Quoted Prices in
Active Markets
for Identical
Assets
(Level 1)
  
Significant
Other
Observable
 Inputs
(Level 2)
  
Significant
Unobservable
Inputs
(Level 3)
 
Interest rate swaps
 $(7.8) $-  $(7.8) $- 
                  
Available-for-sale securities
  8.7   8.7   -   - 
                  
Deferred compensation plan assets
  9.8   -   9.8   - 
                  
Supplementary pension plan assets
  8.6   -   8.6   - 
                 
 
 
     
Fair Value Measurements Using
 
Description
 
 
Asset /
(Liability)
Balance at
12/31/2012
  
Quoted Prices in
Active Markets
for Identical
Assets
(Level 1)
  
Significant
Other
Observable
Inputs
(Level 2)
  
Significant
Unobservable
Inputs
(Level 3)
 
Interest rate swaps
 $(8.4) $-  $(8.4) $- 
                  
Available-for-sale securities
  14.6   14.6   -   - 
                  
Deferred compensation plan assets
  9.4   -   9.4   - 
                  
Supplementary pension plan assets
  8.2   -   8.2   -