SEGMENT INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Segment Reporting, Revenue Reconciling Item [Line Items]
Product Revenues	$ 92,969	$ 109,684	$ 291,545	$ 362,381
Services revenues	45,924		124,764
Total net revenues	138,893	150,607	416,309	475,234
Revenues	138,893	150,607	416,309	475,234
Video Products [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Product Revenues	57,683	62,012	174,569	203,574
Audio Products [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Product Revenues	35,286	47,672	116,976	158,807
Americas [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total net revenues	53,904	58,373	160,829	184,778
Revenues	53,904	58,373	160,829	184,778
Other Americas [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total net revenues	11,891	17,617	36,727	42,716
Revenues	11,891	17,617	36,727	42,716
Europe, Middle East and Africa [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total net revenues	51,943	53,022	155,444	177,404
Revenues	51,943	53,022	155,444	177,404
Asia-Pacific [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total net revenues	21,155	21,595	63,309	70,336
Revenues	$ 21,155	$ 21,595	$ 63,309	$ 70,336