RESTRUCTURING COSTS (Schedule of Restructuring Costs) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Restructuring Cost and Reserve [Line Items]
Balance	$ 3,697	$ 9,594	$ 13,157
Provisions	612	1,110	13,535
Cash payments	(3,213)	(6,778)	(13,114)
Equity released			(248)
Non-cash	60	(229)	(3,736)
Balance	1,156	3,697	9,594
Severance and Exit Costs [Member]
Restructuring Cost and Reserve [Line Items]
Balance	1,010	5,797	5,492
Provisions	1,713	731	11,432
Cash payments	(2,117)	(5,116)	(10,534)
Equity released			(248)
Non-cash	9	(402)	(345)
Balance	615	1,010	5,797
Contractual Obligations [Member]
Restructuring Cost and Reserve [Line Items]
Balance	2,687	3,797	7,665
Provisions	(1,101)	379	2,103
Cash payments	(1,096)	(1,662)	(2,580)
Equity released
Non-cash	51	173	(3,391)
Balance	$ 541	$ 2,687	$ 3,797