RESTRUCTURING CHARGES (Details) (USD $)	12 Months Ended						12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2011 Termination of contract with supplier in third quarter of 2002	Dec. 31, 2009 Termination of contract with supplier in third quarter of 2002	Dec. 31, 2008 Termination of contract with supplier in third quarter of 2002	Dec. 31, 2009 Other restructuring charges in fourth quarter of 2007	Dec. 31, 2011 Employee termination costs in second quarter of 2008	Dec. 31, 2010 Employee termination costs in second quarter of 2008	Dec. 31, 2009 Employee termination costs in second quarter of 2008	Dec. 31, 2011 Employee termination costs in third quarter of 2008	Dec. 31, 2010 Employee termination costs in third quarter of 2008	Dec. 31, 2009 Employee termination costs in third quarter of 2008	Dec. 31, 2009 Employee termination costs in fourth quarter of 2008	Dec. 31, 2010 Employee termination costs in first quarter of 2009	Dec. 31, 2009 Employee termination costs in first quarter of 2009	Dec. 31, 2011 Other restructuring charges in first quarter of 2009	Dec. 31, 2010 Other restructuring charges in first quarter of 2009	Dec. 31, 2009 Other restructuring charges in first quarter of 2009	Dec. 31, 2009 Employee termination costs in second quarter of 2009	Dec. 31, 2011 Employee termination costs in second quarter of 2010	Dec. 31, 2010 Employee termination costs in second quarter of 2010	Dec. 31, 2011 Employee termination costs	Dec. 31, 2010 Employee termination costs	Dec. 31, 2009 Employee termination costs	Dec. 31, 2009 Facility closure costs
Activity related to the accrual for restructuring charges
Accrual at the beginning of the period	$ 3,477,000	$ 2,471,000	$ 23,058,000	$ 1,592,000	$ 1,592,000	$ 1,592,000	$ 218,000	$ 3,000	$ 4,000	$ 235,000	$ 460,000	$ 557,000	$ 17,575,000	$ 3,438,000			$ 136,000	$ 318,000			$ 1,286,000
Charges/Credits	20,064,000	5,253,000	6,681,000	(1,592,000)			470,000	(3,000)		46,000			87,000	626,000	986,000	2,207,000			389,000	2,856,000	21,659,000	4,267,000	21,700,000	5,300,000	5,800,000	900,000
Payments	(21,597,000)	(4,145,000)	(26,571,000)				(698,000)			(273,000)		(44,000)	(16,220,000)	(4,060,000)	(954,000)	(2,393,000)	(136,000)	(182,000)	(71,000)	(2,856,000)	(21,461,000)	(2,965,000)	(21,500,000)	(4,000,000)	(25,800,000)
Currency Translation Adjustment	1,180,000	(102,000)	(697,000)				10,000		(1,000)	(4,000)	15,000	(53,000)	(885,000)	(4,000)	(32,000)	186,000					1,165,000	(16,000)
Foreign Exchange Gain	(977,000)										(174,000)										(803,000)
Accrual at the end of the period	2,147,000	3,477,000	2,471,000		1,592,000	1,592,000			3,000	4,000	301,000	460,000	557,000					136,000	318,000		1,846,000	1,286,000
Restructuring credit received on litigation	1,600,000
Total Restructuring Charges			$ 6,700,000