Annual report pursuant to Section 13 and 15(d)

Supplemental Cash Flow Information (Details)

v3.19.3.a.u2
Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Supplemental Cash Flow Information [Abstract]      
Non-cash investing activity in connection with property and equipment $ 8,200 $ 39,700 $ 20,000
Net foreign currency adjustments 1,934 5,537  
Non-cash investing activities in connection with capital leases     13,300
Income tax paid 13,400 10,000 11,700
Interest and related fees, net of capitalized interest $ 291,200 $ 350,400 $ 284,900