LEASES - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Lessee, Lease, Description [Line Items]
Sales leaseback transaction, cash proceeds	$ 69.6	$ 67.6
Gain on sales leaseback transaction	$ 32.7	$ 22.0
Minimum
Lessee, Lease, Description [Line Items]
Lease terms	1 year
Maximum
Lessee, Lease, Description [Line Items]
Lease terms	23 years