LEASES (Narrative) (Details) $ in Millions		1 Months Ended	12 Months Ended
	Jan. 31, 2020 ft²	Feb. 28, 2014 ft²	Mar. 31, 2022 USD ($) ft²	Mar. 31, 2021
Lessee Lease Description [Line Items]
Lessee, operating lease, option to terminate			The prior lease agreement for this facility provided the lessor the right to terminate the lease agreement at any time with 12 months’ notice to Orion. As a result, the agreement was previously classified as a short-term lease.
Lessee, operating lease, existence of option to terminate			true
Term of other leases				5 years
Operating lease, weighted average discount rate			5.30%
Operating lease, weighted average remaining lease term			3 years 9 months 18 days
Operating lease costs | $			$ 1.1
Lessor, Operating Lease, Existence of Option to Extend [true false]			true	true
Manitowoc, WI
Lessee Lease Description [Line Items]
Area of leased property	266,000
Lease term of agreement	10 years
Lessee, sale leaseback, option to terminate, minimum period	6 years
Jacksonville Florida
Lessee Lease Description [Line Items]
Area of operating leased property		10,500
Termination of lease		Jun. 30, 2023
Pewaukee Wisconsin
Lessee Lease Description [Line Items]
Area of operating leased property			9,180
Termination of lease			Dec. 31, 2026