RESTRUCTURING COSTS AND ACCRUALS (Details) (USD $)	3 Months Ended	6 Months Ended		3 Months Ended			12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended		3 Months Ended	6 Months Ended	12 Months Ended		3 Months Ended	12 Months Ended	3 Months Ended		12 Months Ended	3 Months Ended		6 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended
	Jun. 30, 2012	Jun. 30, 2012	Dec. 31, 2011	Dec. 31, 2011 employee related [Member] Non-Acquisition-Related [Member] RestructuringPlan2011 [Member] position	Jun. 30, 2012 Employee Severance [Member] Divestiture-Related [Member] Restructuring Plan 2012 [Member]	Jun. 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	Jun. 30, 2012 Employee Severance [Member] Acquisition-Related [Member]	Dec. 31, 2010 Employee Severance [Member] Acquisition-Related [Member] 2010 Restructuring Plan [Member] employee	Jun. 30, 2012 Non-Acquisition-Related [Member] Employee Severance [Member]	Jun. 30, 2012 Non-Acquisition-Related [Member] Facilities-Related [Member]	Jun. 30, 2012 Restructuring Charges Total [Member] Divestiture-Related [Member] Restructuring Plan 2012 [Member]	Jun. 30, 2012 Restructuring Charges Total [Member] Non-Acquisition-Related [Member] RestructuringPlan2011 [Member]	Dec. 31, 2011 Restructuring Charges Total [Member] Non-Acquisition-Related [Member] 2010 Restructuring Plan [Member]	Jun. 30, 2012 Facilities-Related [Member]	Jun. 30, 2012 Facilities-Related [Member] Divestiture-Related [Member] Restructuring Plan 2012 [Member]	Dec. 31, 2011 Facilities-Related [Member] Non-Acquisition-Related [Member] RestructuringPlan2011 [Member]	Jun. 30, 2012 Facilities-Related [Member] Non-Acquisition-Related [Member] 2010 Restructuring Plan [Member]	Dec. 31, 2010 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]	Jun. 30, 2012 Facilities-Related [Member] Non-Acquisition-Related [Member] Restructuring Plan 2008 [Member]	Dec. 31, 2008 Facilities-Related [Member] Non-Acquisition-Related [Member] Restructuring Plan 2008 [Member] facility	Jun. 30, 2012 Facilities-Related [Member] Acquisition-Related [Member]	Jun. 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	Jun. 30, 2012 Additional 2012 Restructuring Plan Charges [Member] Restructuring Charges Total [Member] Divestiture-Related [Member] Restructuring Plan 2012 [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Cost of Revenues, Inventory	$ 2,600,000
Number of positions eliminated				190				145		820		24
Severance costs					14,600,000		9,100,000	9,200,000		35,200,000		2,000,000
Restructuring costs, closure of facilities																			300,000	500,000		1,400,000	1,000,000		12,800,000
Non-cash restructuring charge - write down of inventory																				100,000			100,000		2,700,000
Restructuring and related cost minimum expected cost															20,000,000	9,800,000													5,000,000
Total restructuring charges expected to be recorded under the plan															23,000,000														8,000,000
Restructuring charges related to the Plan																	10,000,000
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		14,945,000									0		14,623,000	322,000												0
Revisions of estimated liabilities		1,016,000				200,000			1,500,000		0		181,000	665,000							200,000		300,000	500,000	4,300,000	170,000	200,000
Accretion		96,000									0		0	102,000												(6,000)
Cash payments for employee-related charges		(5,754,000)									0		(3,377,000)	(2,163,000)												(214,000)
Non-cash write-offs		(12,000)									0		0	(12,000)												0
Foreign exchange impact on ending balance		(24,000)									0		14,000	(38,000)												0
Accrual balance at end of period	21,604,000	21,604,000									0		15,863,000	5,321,000												420,000
Facilities-related accruals - current																		2,800,000
Facilities-related accruals - non-current	$ 2,870,000	$ 2,870,000	$ 3,185,000															$ 2,900,000