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INCOME TAXES - Schedule of Cash Flow, Supplemental Disclosures (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Operating loss carryforwards
U.S. federal	$ 0.0
U.S. state and local	0.7
Total	149.4	$ 144.3	$ 150.2
Finland
Operating loss carryforwards
Foreign:	26.0
Turkey
Operating loss carryforwards
Foreign:	83.6
United Kingdom
Operating loss carryforwards
Foreign:	19.3
Other
Operating loss carryforwards
Foreign:	$ 19.8