REVENUE RECOGNITION - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue [Line Items]
Revenues, net	$ 878,301	$ 792,840	$ 757,904
Contractor Solutions
Disaggregation of Revenue [Line Items]
Revenues, net	609,706	528,641	506,634
Specialized Reliability Solutions
Disaggregation of Revenue [Line Items]
Revenues, net	147,476	149,458	147,301
Engineered Building Solutions
Disaggregation of Revenue [Line Items]
Revenues, net	121,119	114,741	103,969
Build-to-order
Disaggregation of Revenue [Line Items]
Revenues, net	106,562	99,760	89,964
Build-to-order \| Contractor Solutions
Disaggregation of Revenue [Line Items]
Revenues, net	0	0	0
Build-to-order \| Specialized Reliability Solutions
Disaggregation of Revenue [Line Items]
Revenues, net	0	0	0
Build-to-order \| Engineered Building Solutions
Disaggregation of Revenue [Line Items]
Revenues, net	106,562	99,760	89,964
Book-and-ship
Disaggregation of Revenue [Line Items]
Revenues, net	771,739	693,080	667,940
Book-and-ship \| Contractor Solutions
Disaggregation of Revenue [Line Items]
Revenues, net	609,706	528,641	506,634
Book-and-ship \| Specialized Reliability Solutions
Disaggregation of Revenue [Line Items]
Revenues, net	147,476	149,458	147,301
Book-and-ship \| Engineered Building Solutions
Disaggregation of Revenue [Line Items]
Revenues, net	$ 14,557	$ 14,981	$ 14,005

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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+ Details

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details