Annual report pursuant to Section 13 and 15(d)

Supplemental Cash Flow Information (Tables)

v2.4.0.6
Supplemental Cash Flow Information (Tables)
 12 Months Ended
Dec. 31, 2011
Supplemental Cash Flow Information [Abstract]  
Supplemental Disclosure Of Cash Flow Information
     Year Ended December 31,  
     2011     2010     2009  
     (in thousands)  

Cash paid during the period for:

       

Income tax payments

    $ 73,847      $ 82,860      $ 29,416   

Income tax refunds

      (1,806 )      (53 )      (234 ) 

Interest payments

      29,198        30,490        33,488