SEGMENT REPORTING (Schedule of Financial Data by Reporting Segment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Segment Reporting Information [Line Items]
Net revenues	$ 132,178	$ 127,015	$ 261,670	$ 253,618
Operating income	11,506	11,395	23,077	22,483
North America [Member]
Segment Reporting Information [Line Items]
Net revenues	86,492	84,584	172,669	170,269
Operating income	2,795	2,965	7,186	5,800
Europe [Member]
Segment Reporting Information [Line Items]
Net revenues	28,964	26,739	56,354	52,518
Operating income	8,024	7,567	14,829	14,702
Asia Pacific [Member]
Segment Reporting Information [Line Items]
Net revenues	16,722	15,692	32,647	30,831
Operating income	$ 687	$ 863	$ 1,062	$ 1,981