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Fair Value Measurement (Tables)
3 Months Ended
Mar. 31, 2013
Fair Value Disclosures [Abstract]  
Financial Assets And Liabilities Measured At Fair Value On A Recurring Basis
 
 
Level I
 
Level II
 
Level III
 
Total
At March 31, 2013:
 
 
 
 
 
 
 
 
Assets:
 
 
 
 
 
 
 
 
Cash equivalents
 
$
397,939

 
$

 
$

 
$
397,939

Liabilities:
 
 
 
 
 
 
 
 
Interest rate swap contracts
 
$

 
$
19,567

 
$

 
$
19,567

At December 31, 2012:
 
 
 
 
 
 
 
 
Assets:
 
 
 
 
 
 
 
 
Cash equivalents
 
$
487,900

 
$

 
$

 
$
487,900

Liabilities:
 
 
 
 
 
 
 
 
Interest rate swap contracts
 
$

 
$
22,137

 
$

 
$
22,137

Carrying Values And Fair Values Of The Company's Financial Instruments
 
March 31, 2013
 
Carrying
Amount
 
Estimated
Fair Value
Debt instruments:
 
 
 
Term loan A facility
$
876,575

 
$
880,440

7.75% Notes due July 2021
687,683

 
795,375

4.75% Notes due December 2022
589,739

 
601,500

 
$
2,153,997

 
$
2,277,315

 
December 31, 2012
 
Carrying
Amount
 
Estimated
Fair Value
Debt instruments:
 
 
 
Term loan A facility
$
876,358

 
$
876,154

7.75% Notes due July 2021
687,423

 
801,500

4.75% Notes due December 2022
589,534

 
603,000

 
$
2,153,315

 
$
2,280,654