Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Name:	us-gaap_RestructuringCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

RESTRUCTURING CHARGES - Additional Information (Details) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2020 reportingUnits	Dec. 31, 2020 USD ($)	Dec. 31, 2020 reportingUnit	Dec. 31, 2019 USD ($)
RESTRUCTURING CHARGES
Number of reporting segments			2		2
Restructuring charges	$ 30.0	$ 14.6		$ 75.0		$ 199.1
Employee Severance
RESTRUCTURING CHARGES
Restructuring charges		$ 14.9				142.7
Non-Cash Charges
RESTRUCTURING CHARGES
Restructuring charges						$ 56.4