COMMITMENTS AND CONTINGENT LIABILITIES (Details) $ in Millions	3 Months Ended
	Mar. 31, 2017 USD ($)	Sep. 30, 2016 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2019 CAD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Loss Contingencies [Line Items]
Number of Additional Parties Not Providing Consent			40	40
Other Inventory, Supplies, Gross			$ 228,300,000		$ 200,100,000
Loss related to litigation settlement	$ 34,500,000
Previously recorded litigation reserve in connection with false claims act lawsuit						$ 15,000,000
Payment of legal settlement		$ 49,500,000
AHS transfer to Canadian JV				$ 50.0
Damages Per Violation			$ 500.0000