SEGMENTS INFORMATION (Revenues from External Customers and Operating Profit Before Unallocated Expenses) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Segment Reporting Information [Line Items]
Revenues	$ 652,243	$ 588,103	$ 1,935,985	$ 1,661,023
Segment operating profit	96,396	80,565	267,331	218,105
North America
Segment Reporting Information [Line Items]
Revenues	391,605	358,987	1,167,536	1,000,701
Segment operating profit	87,272	79,310	248,951	213,114
Europe
Segment Reporting Information [Line Items]
Revenues	231,418	204,952	695,056	596,378
Segment operating profit	43,018	27,550	109,223	87,014
Russia
Segment Reporting Information [Line Items]
Revenues	29,220	24,164	73,393	63,944
Segment operating profit	2,958	5,524	(2,168)	11,765
Operating Segments
Segment Reporting Information [Line Items]
Segment operating profit	$ 133,248	$ 112,384	$ 356,006	$ 311,893