RESTRUCTURING COSTS AND ACCRUALS (Details) (USD $)	3 Months Ended	9 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended		12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended						9 Months Ended	12 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended	3 Months Ended	9 Months Ended			12 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2012 Divestiture-Related [Member] Restructuring Plan 2012 [Member]	Sep. 30, 2012 employee related [Member] Divestiture-Related [Member] Restructuring Plan 2012 [Member]	Dec. 31, 2011 employee related [Member] Non-Acquisition-Related [Member] RestructuringPlan2011 [Member] position	Sep. 30, 2012 Employee Severance [Member] Divestiture-Related [Member] Restructuring Plan 2012 [Member]	Sep. 30, 2012 Employee Severance [Member] Non-Acquisition-Related [Member] RestructuringPlan2011 [Member]	Dec. 31, 2011 Employee Severance [Member] Non-Acquisition-Related [Member] RestructuringPlan2011 [Member]	Dec. 31, 2010 Employee Severance [Member] Non-Acquisition-Related [Member] 2010 Restructuring Plan [Member] position	Dec. 31, 2011 Employee Severance [Member] Non-Acquisition-Related [Member] 2010 Restructuring Plan [Member]	Dec. 31, 2008 Employee Severance [Member] Non-Acquisition-Related [Member] Restructuring Plan 2008 [Member] position	Sep. 30, 2012 Employee Severance [Member] Acquisition-Related [Member]	Dec. 31, 2010 Employee Severance [Member] Acquisition-Related [Member] 2010 Restructuring Plan [Member] employee	Sep. 30, 2012 Non-Acquisition-Related [Member] Employee Severance [Member]	Sep. 30, 2012 Non-Acquisition-Related [Member] Facilities-Related [Member]	Sep. 30, 2012 Restructuring Charges Total [Member] Divestiture-Related [Member] Restructuring Plan 2012 [Member]	Sep. 30, 2012 Restructuring Charges Total [Member] Non-Acquisition-Related [Member] RestructuringPlan2011 [Member]	Sep. 30, 2012 Restructuring Charges Total [Member] Non-Acquisition-Related [Member] 2010 Restructuring Plan [Member]	Sep. 30, 2012 Facilities-Related [Member]	Sep. 30, 2012 Facilities-Related [Member] Divestiture-Related [Member] Restructuring Plan 2012 [Member]	Dec. 31, 2011 Facilities-Related [Member] Non-Acquisition-Related [Member] RestructuringPlan2011 [Member]	Dec. 31, 2010 Facilities-Related [Member] Non-Acquisition-Related [Member] 2010 Restructuring Plan [Member]	Sep. 30, 2012 Facilities-Related [Member] Non-Acquisition-Related [Member] 2010 Restructuring Plan [Member]	Dec. 31, 2011 Facilities-Related [Member] Non-Acquisition-Related [Member] 2010 Restructuring Plan [Member]	Dec. 31, 2008 Facilities-Related [Member] Non-Acquisition-Related [Member] Restructuring Plan 2008 [Member] facility	Sep. 30, 2012 Facilities-Related [Member] Non-Acquisition-Related [Member] Restructuring Plan 2008 [Member]	Sep. 30, 2012 Facilities-Related [Member] Acquisition-Related [Member]	Sep. 30, 2012 Facilities-Related [Member] Acquisition-Related [Member] 2010 Restructuring Plan [Member]	Dec. 31, 2010 Facilities-Related [Member] Acquisition-Related [Member] 2010 Restructuring Plan [Member] facility
Restructuring Cost and Reserve [Line Items]
Restructuring Cost of Revenues, Inventory	$ 3,200,000
Number of positions eliminated					330	190				145		820		24
Severance costs							15,400,000		9,100,000	9,200,000		35,200,000		2,000,000
Restructuring costs, closure of facilities																					9,400,000	500,000	1,400,000		1,000,000	12,800,000
Restructuring Charges, Unused Contracts				300,000
Non-cash restructuring charge - write down of inventory																						100,000			100,000	2,700,000
Restructuring and related cost minimum expected cost																		9,700,000
Restructuring charges related to the Plan																	25,100,000		11,300,000
Number of facilities closed																										18				3
Restructuring accrual [Roll Forward]
Accrual balance at beginning of year		11,337,000											0		4,422,000	6,445,000												470,000
New restructuring charges - operating expenses		24,308,000											0		14,623,000	9,685,000												0
Revisions of estimated liabilities		4,268,000						100,000			1,500,000		0		762,000	2,858,000								900,000	300,000	4,300,000	2,100,000	648,000	600,000
Accretion		155,000											0		0	166,000												(11,000)
Cash payments for employee-related charges		(13,995,000)											0		(10,421,000)	(3,262,000)												(312,000)
Non-cash write-offs		(867,000)											0		0	(867,000)												0
Foreign exchange impact on ending balance		(16,000)											0		12,000	(28,000)												0
Accrual balance at end of period	25,190,000	25,190,000											0		9,398,000	14,997,000												795,000
Facilities-related accruals - current																				7,300,000
Facilities-related accruals - non-current	$ 8,478,000	$ 8,478,000	$ 3,185,000																	$ 8,500,000