Quarterly report pursuant to Section 13 or 15(d)

Supplemental Cash Flow Information (Details)

v3.19.1
Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Cash paid during the period for:    
Income taxes, net of refunds $ 4,387 $ 4,433
Interest(1) 23,740 16,557
Non-cash investing activity(2):    
Capital expenditures acquired on account but unpaid as of the period end $ 15,391 $ 10,680