REVENUE - Disaggregation of Revenue - Industry (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Revenues	$ 3,035,464	$ 2,459,049	$ 8,922,988	$ 7,062,908
SCS
Disaggregation of Revenue [Line Items]
Revenues	1,206,508	802,357	3,469,008	2,284,687
Consumer packaged goods and retail | SCS
Disaggregation of Revenue [Line Items]
Revenues	565,822	316,876	1,604,521	876,362
Automotive | SCS
Disaggregation of Revenue [Line Items]
Revenues	391,929	303,923	1,134,659	882,977
Technology and healthcare | SCS
Disaggregation of Revenue [Line Items]
Revenues	131,379	103,387	380,990	310,422
Industrial and other | SCS
Disaggregation of Revenue [Line Items]
Revenues	$ 117,378	$ 78,171	$ 348,838	$ 214,926