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
Supplemental Cash Flow Information [Abstract]      
Non-cash investing activity in connection with property and equipment $ 11,900 $ 8,200 $ 39,700
Non-cash investing activity in connection with property and equipment, seller financing 17,700    
Net foreign currency adjustments (8,584) 1,934 5,537
Income tax paid 3,500 13,400 10,000
Interest and related fees, net of capitalized interest $ 447,900 $ 291,200 $ 350,400