RESTRUCTURING AND OTHER EXPENSE (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Restructuring Reserve [Roll Forward]
Accrual, beginning balance			$ 4,008
Restructuring Charges			2,059
Payments for Restructuring			3,452
Accrual, ending balance	$ 2,615		2,615
Cumulative restructuring costs	436,984		436,984
Transaction costs	88	$ 574	577	$ 970
Restructuring expense relating to right of use operating leases	611	$ 147	2,316	$ 8,696
2019 Restructuring
Restructuring Reserve [Roll Forward]
Cumulative restructuring costs	45,895		45,895
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Accrual, beginning balance			1,676
Restructuring Charges			0
Payments for Restructuring			1,639
Accrual, ending balance	37		37
Employee Severance [Member] | 2019 Restructuring
Restructuring Reserve [Roll Forward]
Accrual, beginning balance			37,946
Restructuring Charges			3,180
Payments for Restructuring			18,186
Accrual, ending balance	22,940		22,940
Employee Severance [Member] | 2020 Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Charges			40,128
Accrual, ending balance	29,735		29,735
Facility Realignment and Other Costs [Member]
Restructuring Reserve [Roll Forward]
Accrual, beginning balance			2,332
Restructuring Charges			2,059
Payments for Restructuring			1,813
Accrual, ending balance	$ 2,578		$ 2,578