Annual report pursuant to Section 13 and 15(d)

Supplemental Cash Flow Information (Details)

v3.20.4
Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Cash paid during the year for:      
Income taxes, net of refunds $ 35,013 $ 17,406 $ 23,842
Interest 90,291 117,775 110,834
Non-cash investing activity:      
Capital expenditures acquired on account but unpaid as of the year end $ 11,630 $ 22,562 $ 23,498