v2.4.0.6
Supplemental Cash Flow Information (Tables)
12 Months Ended
Dec. 31, 2011
Supplemental Cash Flow Information [Abstract]  
Schedule of Supplemental Cash Flow Disclosures
 
 
Year Ended December 31,
 
 
2011
 
2010
 
2009
 
 
(in thousands)
Cash paid for interest
 
$
247,702

 
$
255,960

 
$
248,800

Cash paid for income taxes
 
4,521

 
2,857

 
3,085