Annual report pursuant to Section 13 and 15(d)

SEGMENT DATA Geographical Region Information (Details)

v3.20.4
SEGMENT DATA Geographical Region Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Concentration Risk [Line Items]      
Revenue $ 1,861,178 $ 11,547,969 $ 10,787,800
Property, plant and equipment, net 1,101,414 1,117,932 946,593
United Kingdom      
Concentration Risk [Line Items]      
Revenue 194,177 838,940 793,596
Property, plant and equipment, net 91,192 77,084 71,298
Total Other Foreign Operations      
Concentration Risk [Line Items]      
Revenue 472,364 3,076,486 2,867,626
Property, plant and equipment, net 184,679 186,265 128,001
Total Foreign Operations [Member]      
Concentration Risk [Line Items]      
Revenue 666,541 3,915,426 3,661,222
Property, plant and equipment, net 275,871 263,349 199,299
Total Domestic Operations [Member]      
Concentration Risk [Line Items]      
Revenue 1,194,637 7,632,543 7,126,578
Property, plant and equipment, net $ 825,543 $ 854,583 $ 747,294
Customer Concentration Risk [Member] | Revenue Benchmark [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 0.00% 0.00% 0.00%