Quarterly report pursuant to Section 13 or 15(d)

INCOME TAXES (Details)

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INCOME TAXES (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Income Tax Contingency [Line Items]        
Effective income tax rate percentage (2.70%) (9.00%) (52.20%) (2.00%)
Unrecognized tax benefits $ 118.4   $ 118.4  
Unrecognized tax benefits that would impact effective tax rate 100.2   100.2  
Accrued interest and penalties related to unrecognized tax benefits 1.1   1.1  
Increase in unrecognized tax benefits, reasonably possible 11.2   11.2  
Deferred Tax Asset        
Income Tax Contingency [Line Items]        
Unrecognized tax benefits 112.3   112.3  
Other Noncurrent Liabilities        
Income Tax Contingency [Line Items]        
Unrecognized tax benefits $ 6.1   $ 6.1