RESTRUCTURING CHARGES (Schedule Summarizing the Activity Related to the Accrual for Restructuring Charges) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended	3 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Mar. 31, 2013
Restructuring Cost and Reserve [Line Items]
Beginning - Restructuring Accrual	$ 0us-gaap_RestructuringReserve
Charges (credits) - Employee termination costs, net of change in estimate	13,882us-gaap_RestructuringCharges	50,026us-gaap_RestructuringCharges	23,986us-gaap_RestructuringCharges
Ending - Restructuring Accrual	5,118us-gaap_RestructuringReserve	0us-gaap_RestructuringReserve
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Beginning - Restructuring Accrual	25,441	16,222	2,147	16,222
Charges (credits) - Employee termination costs, net of change in estimate	13,882	44,394	23,491
Non-cash - Other	(321)	453	495
Payments - Employee termination costs	(19,070)	(35,662)	(9,662)
Payments - Other	0	(682)
Foreign exchange (gain) loss	(207)	716	249
Ending - Restructuring Accrual	19,725	25,441	16,222
Non-cash charges (see discussion below)	5,179
Employee Severance [Member] \| Q3'08 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning - Restructuring Accrual			301
Charges (credits) - Employee termination costs, net of change in estimate			0
Non-cash - Other			0
Payments - Employee termination costs			(301)
Foreign exchange (gain) loss			0
Ending - Restructuring Accrual			0
Employee Severance [Member] \| Q2'10 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning - Restructuring Accrual	281	439	1,846	439
Charges (credits) - Employee termination costs, net of change in estimate	0	0	924
Non-cash - Other	0	0	0
Payments - Employee termination costs	0	(158)	(1,902)
Payments - Other	0	0
Foreign exchange (gain) loss	0	0	429
Ending - Restructuring Accrual	281	281	439
Non-cash charges (see discussion below)	0
Employee Severance [Member] \| Q2'12 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning - Restructuring Accrual	897	7,418	0	7,418
Charges (credits) - Employee termination costs, net of change in estimate	0	(13)	11,724
Non-cash - Other	0	0	0
Payments - Employee termination costs	(878)	(6,508)	(4,486)
Payments - Other	0	0
Foreign exchange (gain) loss	0	0	(180)
Ending - Restructuring Accrual	19	897	7,418
Non-cash charges (see discussion below)	0
Employee Severance [Member] \| Q4'12 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning - Restructuring Accrual	0	8,365	0	8,365
Charges (credits) - Employee termination costs, net of change in estimate		(1,720)	10,843
Non-cash - Other		0	495
Payments - Employee termination costs		(6,400)	(2,973)
Payments - Other		(229)
Foreign exchange (gain) loss		(16)	0
Ending - Restructuring Accrual		0	8,365
Non-cash charges (see discussion below)	68
Employee Severance [Member] \| Q1'13 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning - Restructuring Accrual	22,949	0		0
Charges (credits) - Employee termination costs, net of change in estimate	(2,077)	44,084
Non-cash - Other	0	453
Payments - Employee termination costs	(16,773)	(21,873)
Payments - Other	0	(453)
Foreign exchange (gain) loss	(111)	738
Ending - Restructuring Accrual	3,988	22,949
Non-cash charges (see discussion below)	5,111			5,100
Employee Severance [Member] \| Q3'13 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning - Restructuring Accrual	1,314	0		0
Charges (credits) - Employee termination costs, net of change in estimate	(292)	2,043
Non-cash - Other	0	0
Payments - Employee termination costs	(1,018)	(723)
Payments - Other	0	0
Foreign exchange (gain) loss	5	(6)
Ending - Restructuring Accrual	9	1,314
Non-cash charges (see discussion below)	0
Employee Severance [Member] \| Q3'14 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning - Restructuring Accrual	0
Charges (credits) - Employee termination costs, net of change in estimate	1,397
Non-cash - Other	(321)
Payments - Employee termination costs	(55)
Payments - Other	0
Foreign exchange (gain) loss	(101)
Ending - Restructuring Accrual	920
Employee Severance [Member] \| Q4'14 [Member]
Restructuring Cost and Reserve [Line Items]
Beginning - Restructuring Accrual	0
Charges (credits) - Employee termination costs, net of change in estimate	14,854
Non-cash - Other	0
Payments - Employee termination costs	(346)
Payments - Other	0
Foreign exchange (gain) loss	0
Ending - Restructuring Accrual	$ 14,508

Payments for Restructuring, Other

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Amount of foreign exchange Gain (Loss) increasing or decreasing the accrual for a specified type of restructuring cost.

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Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation.

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Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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