RESTRUCTURING BY SEGMENT (Details) - USD ($) $ in Thousands	12 Months Ended
RESTRUCTURING BY SEGMENT (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Restructuring Cost And Reserve [Line Items]
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]	Operating Expenses
Total restructuring charges	$ 0	$ 1,048	$ 123
Lighting
Restructuring Cost And Reserve [Line Items]
Total restructuring charges	0	246	52
Maintenance
Restructuring Cost And Reserve [Line Items]
Total restructuring charges	0	720	48
EV
Restructuring Cost And Reserve [Line Items]
Total restructuring charges	0	14	0
Corporate and Other
Restructuring Cost And Reserve [Line Items]
Total restructuring charges	$ 0	$ 68	$ 23

- Definition

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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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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