RESTRUCTURING (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012 employees	Jun. 30, 2013 sqft
Restructuring Cost and Reserve [Line Items]
Area of headquarters facility			120,000
Rent income	$ 200
Restructuring reserve		1,405	993
Number of employees terminated		74
Lease Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve		$ 800	$ 857