ACCUMULATED OTHER COMPREHENSIVE INCOME (Schedule of Reclassifications Out of AOCI) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of revenue	$ 1,518,577	$ 1,470,983	$ 1,362,986
Interest expense	31,205	41,581	39,858
General and administrative	442,291	335,825	326,248
Provision for income taxes	221,964	216,134	180,883
Gain (loss), net of tax	887,867	845,042	679,089
Reclassification out of accumulated other comprehensive income | Cash flow hedge | Foreign currency exchange contracts
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of revenue	5,932	3,512	25,733
Provision for income taxes	(1,696)	(1,068)	(6,742)
Gain (loss), net of tax	4,236	2,444	18,991
Reclassification out of accumulated other comprehensive income | Cash flow hedge | Interest rate swap contract
Accumulated Other Comprehensive Income (Loss) [Line Items]
Interest expense	3,268	2,656	0
Provision for income taxes	(777)	(631)	0
Gain (loss), net of tax	2,491	2,025	0
Reclassification out of accumulated other comprehensive income | Investments
Accumulated Other Comprehensive Income (Loss) [Line Items]
General and administrative	(214)	0	0
Provision for income taxes	51	0	0
Gain (loss), net of tax	(163)	0	0
Reclassification out of accumulated other comprehensive income | Defined benefit plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of revenue	(506)	(630)	(605)
Provision for income taxes	154	111	99
Gain (loss), net of tax	$ (352)	$ (519)	$ (506)