DERIVATIVES (INCOME STATEMENT CLASSIFICATION) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Derivative Instruments, Gain (Loss) [Line Items]
Sales Revenue Services Net	$ 534,085	$ 600,394	$ 1,110,723	$ 1,233,680
Other nonoperating income expense	1,788	(3,574)	1,994	(2,919)
Designated as Hedging Instruments [Member] | Foreign Exchange [Member] | Cash Flow [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) recognized in other comprehensive income (loss) - effective portion, net of tax:	269	639	1,471	1,023
Designated as Hedging Instruments [Member] | Foreign Exchange [Member] | Cash Flow [Member] | Reclassification from accumulated other comprehensive income
Derivative Instruments, Gain (Loss) [Line Items]
Sales Revenue Services Net	364	864	1,988	1,383
Not Designated as Hedging Instruments [Member] | Foreign Exchange [Member] | Fair Value [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other nonoperating income expense	$ (756)	$ (14)	$ (530)	$ 1,386