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

Acquisitions - Summary of Identifiable Intangible Assets (Detail) - USD ($) $ in Thousands	Mar. 31, 2026	Feb. 02, 2026	May 08, 2025	Mar. 31, 2025	Oct. 01, 2024	Mar. 31, 2024
Customer relationships
Business Combination [Line Items]
Preliminary Useful Lives	15 years 10 months 24 days			15 years 10 months 24 days		15 years 10 months 24 days
Developed technology
Business Combination [Line Items]
Preliminary Useful Lives	7 years			7 years		7 years
National Diversified Sales
Business Combination [Line Items]
Preliminary fair value		$ 456,920
National Diversified Sales \| Customer relationships
Business Combination [Line Items]
Preliminary fair value		$ 419,000
Preliminary Useful Lives		20 years
National Diversified Sales \| Tradename
Business Combination [Line Items]
Preliminary fair value		$ 37,000
Preliminary Useful Lives		20 years
National Diversified Sales \| Developed technology
Business Combination [Line Items]
Preliminary fair value		$ 920
Preliminary Useful Lives		12 years
River Valley Pipe
Business Combination [Line Items]
Preliminary fair value			$ 2,970
River Valley Pipe \| Customer relationships
Business Combination [Line Items]
Preliminary fair value			2,600
Preliminary Useful Lives	10 years
River Valley Pipe \| Tradename
Business Combination [Line Items]
Preliminary fair value			$ 370
Preliminary Useful Lives	5 years
Orenco Systems, Inc.
Business Combination [Line Items]
Preliminary fair value					$ 148,000
Orenco Systems, Inc. \| Customer relationships
Business Combination [Line Items]
Preliminary fair value					99,000
Preliminary Useful Lives	15 years
Orenco Systems, Inc. \| Tradename
Business Combination [Line Items]
Preliminary fair value					7,000
Preliminary Useful Lives	20 years
Orenco Systems, Inc. \| Developed technology
Business Combination [Line Items]
Preliminary fair value					$ 42,000
Preliminary Useful Lives	12 years