SEGMENT REPORTING (Schedule of Financial Data by Reporting Segment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Segment Reporting Information [Line Items]
Net revenues	$ 127,015	$ 118,990	$ 253,618	$ 235,915
Operating income (loss):	11,395	9,028	22,483	16,067
North America [Member]
Segment Reporting Information [Line Items]
Net revenues	84,584	78,602	170,269	158,365
Operating income (loss):	2,965	(31)	5,800	(1,005)
Europe [Member]
Segment Reporting Information [Line Items]
Net revenues	26,739	25,332	52,518	48,749
Operating income (loss):	7,567	7,056	14,702	13,591
Asia Pacific [Member]
Segment Reporting Information [Line Items]
Net revenues	15,692	15,056	30,831	28,801
Operating income (loss):	$ 863	$ 2,003	$ 1,981	$ 3,481