v2.4.0.8
Supplemental cash flow information (Tables)
 12 Months Ended
Dec. 31, 2013
Supplemental Cash Flow Information

The table below provides supplemental cash flow information:

 

     Year ended December 31,  
     2013      2012      2011  

Cash paid:

         

Income taxes

    $ 341,426       $ 322,018       $ 145,687   

Interest

      405,030         257,640         236,446   

Non-cash investing and financing activities:

         

Fixed assets under capital lease obligations

      60,920         55,813         35,764