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Fair Value (Tables)
3 Months Ended
Mar. 31, 2013
Fair Value [Abstract]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Financial instruments   The estimated fair values of our financial assets and liabilities that are recognized at fair value on a recurring basis, using available market information and other observable data, as of March 31, 2013, are as follows:
 
 
 
March 31, 2013
 
December 31, 2012
 
 
 
 
  Carrying Amount
 
Fair Value
 
Carrying Amount
 
Fair Value
 
Input
 
 
(in millions)
 
  (in millions)
 
 
Balance Sheet Classification
 
 
 
 
 
 
 
 
 
 
Cash equivalents
 
$
4.9

 
$
4.9

 
$
6.5

 
$
6.5

 
Level 1
Prepaid expenses and other current
    assets
 
 

 
 

 
 

 
 

 
 
Currency forward contracts
 
2.8

 
2.8

 
2.3

 
2.3

 
Level 2
Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]
We estimated the fair value of the amounts outstanding on our debt using available market information and other observable data, to be as follows:
 
 
 
March 31, 2013
 
December 31, 2012
 
 
 
 
Carrying  Amount
 
Fair Value
 
Carrying  Amount
 
Fair Value
 
 
Input
 
 
(in millions)
 
(in millions)
 
 
 
 
 
 
 
 
 
 
 
 
 
Revolving Credit Facility
 
$

 
$

 
$

 
$

 
Level 2
9.25% Notes
 
337.6

 
373.2

 
337.5

 
377.4

 
Level 2
7.875% Notes
 

 

 
300.0

 
310.1

 
Level 2
7.75% Notes
 
200.0

 
219.7

 
200.0

 
216.5

 
Level 2
6.625% Notes
 
550.0

 
565.8

 
550.0

 
555.5

 
Level 2
6.25% Notes
 
400.0

 
408.5

 

 

 
Level 2