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Supplemental Cash Flow Information
 12 Months Ended
Dec. 31, 2021
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flow Information Supplemental cash flow information
The table below provides supplemental cash flow information:
 Year ended December 31,
 202120202019
Cash paid:   
Income taxes, net$209,754 $154,850 $157,983 
Interest$279,002 $326,165 $473,176 
Non-cash investing and financing activities:   
Fixed assets under financing lease obligations$31,690 $22,042 $18,953