INCOME TAXES 2 (Details) (USD $)	12 Months Ended
	Dec. 31, 2013 Subsidiary	Dec. 31, 2012	Dec. 31, 2011
Operating Loss and Tax Credit Carryforwards [Line Items]
Number of Foreign Subsidiary of Which Shares Have been Sold	1
Tax benefit realized from stock options exercised	$ 2,260,000	$ 1,264,000	$ 2,650,000
Amount of indefinite re-investment with respect to the earnings and profits of its other foreign subsidiaries	177,800,000
beginning of 2014 [Domain]
Operating Loss and Tax Credit Carryforwards [Line Items]
Net operating loss carry forwards	219,503,000
Federal | R&D credits
Operating Loss and Tax Credit Carryforwards [Line Items]
Federal R&D credits, net of those related to stock option deductions	9,925,000
Federal R&D credits related to stock option deductions	32,171,000
Foreign
Operating Loss and Tax Credit Carryforwards [Line Items]
Tax credits carry forwards	45,583,000
Foreign | R&D credits
Operating Loss and Tax Credit Carryforwards [Line Items]
Tax credits carry forwards	44,344,000
Beginning of 2025 [Domain]
Operating Loss and Tax Credit Carryforwards [Line Items]
Net operating loss carry forwards	19,336,000
State
Operating Loss and Tax Credit Carryforwards [Line Items]
Net operating loss carry forwards	511,749,000
State | R&D credits
Operating Loss and Tax Credit Carryforwards [Line Items]
Tax credits carry forwards	18,605,000
State | Investment tax credits
Operating Loss and Tax Credit Carryforwards [Line Items]
Tax credits carry forwards	$ 1,925,000