RESTRUCTURING COSTS AND ACCRUALS (Details) (USD $)	3 Months Ended		12 Months Ended		3 Months Ended	12 Months Ended	3 Months Ended				3 Months Ended	12 Months Ended	9 Months Ended	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 employee related [Member] Divestiture-Related [Member] Restructuring Plan 2012 [Member]	Dec. 31, 2012 Employee Severance [Member] Divestiture-Related [Member] Restructuring Plan 2012 [Member]	Mar. 31, 2013 Employee Severance [Member] Acquisition-Related [Member]	Mar. 31, 2013 Non-Acquisition-Related [Member] Employee Severance [Member]	Mar. 31, 2013 Non-Acquisition-Related [Member] Facilities-Related [Member]	Mar. 31, 2013 Facilities-Related [Member]	Mar. 31, 2012 Facilities-Related [Member] Divestiture-Related [Member] Restructuring Plan 2012 [Member]	Dec. 31, 2012 Facilities-Related [Member] Divestiture-Related [Member] Restructuring Plan 2012 [Member] facility	Dec. 31, 2012 Facilities-Related [Member] Non-Acquisition-Related [Member] Restructuring Plan 2012 [Member]	Mar. 31, 2013 Facilities-Related [Member] Acquisition-Related [Member]
Restructuring Cost and Reserve [Line Items]
New Restructuring Charges	$ 62,000						$ 0	$ 62,000	$ 0					$ 0
Number of positions eliminated					280
Severance costs						13,900,000
Restructuring costs, closure of facilities											300,000	8,600,000
Number of facilities closed												1
Restructuring accrual [Roll Forward]
Accrual balance at beginning of year	15,733,000		15,733,000				0	4,299,000	10,839,000					595,000
Restructuring Charges	273,000
Revisions of estimated liabilities	211,000						0	(134,000)	345,000					0
Accretion	128,000						0	0	120,000					8,000
Cash payments for employee-related charges	(4,293,000)		(13,200,000)				0	(2,466,000)	(1,715,000)					(112,000)
Non-cash write-offs	0						0	0	0				1,400,000	0
Foreign exchange impact on ending balance	(191,000)						0	(82,000)	(109,000)					0
Accrual balance at end of period	11,650,000						0	1,679,000	9,480,000					491,000
Facilities-related accruals - current										5,900,000
Facilities-related accruals - non-current	4,104,000			5,119,000						4,100,000
Deferred Rent Liability Write-Off													1,000,000
Restructuring Plan, Estimate Revision		$ 400,000