XML 77 R57.htm IDEA: XBRL DOCUMENT v3.20.4
Supplemental Cash Flow Information (Tables)
12 Months Ended
Dec. 31, 2020
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flow Information
Supplemental cash flow information is as follows:
 Years Ended December 31,
 202020192018
  (In thousands) 
Income tax refunds received$4,460 $4,695 $3,920 
Income taxes paid(25,259)(40,760)(52,147)
Interest paid(53,029)(51,160)(48,519)