GOODWILL (Details 2) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Goodwill [Line Items]
Goodwill	$ 84,229	$ 57,417
North America
Goodwill [Line Items]
Goodwill	49,782	31,078
Accumulated impairment loss	0	0
Europe
Goodwill [Line Items]
Goodwill	34,447	26,339
Accumulated impairment loss	0	0
Russia
Goodwill [Line Items]
Goodwill	0	0
Accumulated impairment loss	2,241	2,241
Other
Goodwill [Line Items]
Accumulated impairment loss	$ 1,697	$ 1,697