SEGMENTS INFORMATION (Revenues from External Customers and Operating Profit Before Unallocated Expenses) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Segment Reporting Information [Line Items]
Operating profit	$ 80,565	$ 64,560	$ 218,105	$ 167,494
North America
Segment Reporting Information [Line Items]
Segment revenues	358,987	280,838	1,000,715	769,137
Operating profit	79,310	60,763	213,114	155,944
Europe
Segment Reporting Information [Line Items]
Segment revenues	205,123	171,482	596,798	516,320
Operating profit	27,550	28,871	87,014	84,329
Russia
Segment Reporting Information [Line Items]
Segment revenues	24,164	16,208	63,945	53,374
Operating profit	5,524	543	11,765	8,211
Operating Segments
Segment Reporting Information [Line Items]
Segment revenues	588,274	468,528	1,661,458	1,338,831
Operating profit	$ 112,384	$ 90,177	$ 311,893	$ 248,484