SEGMENT REPORTING (Schedule of Financial Data by Reporting Segment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Segment Reporting Information [Line Items]
Net revenues	$ 125,892	$ 119,184	$ 379,510	$ 355,099
Operating income (loss):	8,690	9,911	31,173	25,978
North America [Member]
Segment Reporting Information [Line Items]
Net revenues	83,988	79,350	254,257	237,714
Operating income (loss):	1,912	1,914	7,712	909
Europe [Member]
Segment Reporting Information [Line Items]
Net revenues	25,542	23,751	78,060	72,501
Operating income (loss):	5,402	5,962	20,104	19,553
Asia Pacific [Member]
Segment Reporting Information [Line Items]
Net revenues	16,362	16,083	47,193	44,884
Operating income (loss):	$ 1,376	$ 2,035	$ 3,357	$ 5,516