LITIGATION (Details) $ in Thousands						1 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended
	Apr. 10, 2020 USD ($)	Sep. 23, 2019 USD ($)	Jul. 17, 2019 USD ($) defendant	May 31, 2019 USD ($) defendant plaintiff	Jan. 27, 2014 USD ($) defendant	Oct. 31, 2018 case	Sep. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) plaintiff case defendant	Dec. 31, 2017 plaintiff	Apr. 17, 2020 USD ($)	Dec. 31, 2019 USD ($)	Jun. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)
Loss Contingencies [Line Items]
California litigation accrual								$ 12,000			$ 12,000	$ 136,300
Santa Clara County, California Proceeding
Loss Contingencies [Line Items]
Number of additional defendants | defendant			2		2
Amount payable jointly and severally for litigation					$ 1,150,000
Abatement amount ordered by court								401,100		$ 409,100
Amount awarded to plaintiffs			$ 305,000
Amount awarded per defendant			101,700
Initial payment amount		$ 25,000	$ 25,000
Dismissal order and judgment period			60 days
Subsequent annual payments amount			$ 12,000
Term of subsequent annual payments			4 years
Final payment amount			$ 16,700
Maximum amount agreed to backstop and pay on behalf of other defendant			$ 15,000
California litigation accrual													$ 136,300
Reduction of accrual							$ 59,600
Accrual included in current liabilities								12,000
Accrual included in long-term liabilities								$ 64,700
Pennsylvania Proceedings
Loss Contingencies [Line Items]
Number of proceedings initiated | case						2
Ravon Owens v. American Cyanamid, et al., Cesar Sifuentes v. American Cyanamid, et al., and Glenn Burton, Jr. v. American Cyanamid, et al.
Loss Contingencies [Line Items]
Number of additional defendants | defendant				2
Amount awarded to plaintiffs				$ 6,000
Number of cases consolidated | case								3
Number of plaintiffs | plaintiff				3
Amount awarded per plaintiff				$ 2,000
Damages sought	$ 800
Maniya Allen, et al. v. American Cyanamid, et al.
Loss Contingencies [Line Items]
Number of plaintiffs | plaintiff								146
Number of plaintiffs selected for discovery | plaintiff								6
Number of cases selected for discovery | case								4
Dijonae Trammell, et al. v. American Cyanamid, et al.
Loss Contingencies [Line Items]
Number of plaintiffs | plaintiff								3
Number of plaintiffs consolidated with another case | plaintiff								1
Mary Lewis v. Lead Industries Association, et al.
Loss Contingencies [Line Items]
Number of defendants | defendant								3
Number of plaintiffs whose claims were paid by Medicaid or private insurance | plaintiff									3
Number of plaintiffs whose claims were paid by Medicaid | plaintiff									2