SEGMENTS INFORMATION (Revenues from External Customers and Operating Profit Before Unallocated Expenses) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Segment Reporting Information [Line Items]
Operating profit	$ 64,658	$ 48,697
North America
Segment Reporting Information [Line Items]
Segment revenues	310,689	231,196
Operating profit	64,457	43,960
Europe
Segment Reporting Information [Line Items]
Segment revenues	194,223	173,343
Operating profit	31,785	28,890
Russia
Segment Reporting Information [Line Items]
Segment revenues	16,580	19,786
Operating profit	589	5,347
Operating Segments
Segment Reporting Information [Line Items]
Segment revenues	521,492	424,325
Operating profit	$ 96,831	$ 78,197