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COMMITMENTS AND CONTINGENCIES - Legal Matters (Details)
Aug. 23, 2017
action
Mar. 31, 2020
case
Securities Class Action Lawsuit and Related Matters    
Legal matters    
Number of shareholder derivative actions filed | action 5  
Multidistrict Opioid Litigation | Minimum    
Legal matters    
Number of industry-wide opioid litigation cases (more than) | case   2,000