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+ Details

ACCOUNTS RECEIVABLE AND SIGNIFICANT CLIENTS(NARRATIVE) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Entity Wide Revenue Major Customer Line Items
Revenue.	$ 604,250	$ 554,794	$ 1,192,976	$ 1,094,013
Revenue \| Customer Concentration Risk \| Minimum
Entity Wide Revenue Major Customer Line Items
Revenue.			$ 100,000
Revenue \| Customer Concentration Risk \| Financial Services Client
Entity Wide Revenue Major Customer Line Items
Concentration Risk, Customer				one
Concentration risk percentage			7.40%	14.20%
Revenue \| Customer Concentration Risk \| Automotive Industry Client
Entity Wide Revenue Major Customer Line Items
Concentration Risk, Customer			one
Concentration risk percentage		9.00%	10.50%	9.00%