Business Segments Information - Schedule of Revenue from Reportable Segments by Product Type (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Segment Reporting Information [Line Items]
Net Sales	$ 693,354	$ 690,538	$ 2,373,615	$ 2,288,484
Operating Segments
Segment Reporting Information [Line Items]
Net Sales	(32,020)	(29,350)	(102,422)	(105,506)
Intersegment Eliminations
Segment Reporting Information [Line Items]
Net Sales	32,020	29,350	102,422	105,506
Reportable Segment, Aggregation before Other Operating Segment
Segment Reporting Information [Line Items]
Net Sales	528,685	540,005	1,822,489	1,777,929
Reportable Segment, Aggregation before Other Operating Segment \| Operating Segments
Segment Reporting Information [Line Items]
Net Sales	557,324	565,593	1,913,966	1,871,051
Reportable Segment, Aggregation before Other Operating Segment \| Intersegment Eliminations
Segment Reporting Information [Line Items]
Net Sales	(28,639)	(25,588)	(91,477)	(93,122)
Pipe
Segment Reporting Information [Line Items]
Net Sales	326,713	339,629	1,155,300	1,172,395
Pipe \| Operating Segments
Segment Reporting Information [Line Items]
Net Sales	339,175	352,236	1,194,801	1,214,367
Pipe \| Intersegment Eliminations
Segment Reporting Information [Line Items]
Net Sales	(12,462)	(12,607)	(39,501)	(41,972)
Infiltrator
Segment Reporting Information [Line Items]
Net Sales	152,881	150,013	510,950	440,913
Infiltrator \| Operating Segments
Segment Reporting Information [Line Items]
Net Sales	167,666	160,076	558,996	481,739
Infiltrator \| Intersegment Eliminations
Segment Reporting Information [Line Items]
Net Sales	(14,785)	(10,063)	(48,046)	(40,826)
International
Segment Reporting Information [Line Items]
Net Sales	49,091	50,363	156,239	164,621
International \| Operating Segments
Segment Reporting Information [Line Items]
Net Sales	50,483	53,281	160,169	174,945
International \| Intersegment Eliminations
Segment Reporting Information [Line Items]
Net Sales	(1,392)	(2,918)	(3,930)	(10,324)
Allied Products & Other
Segment Reporting Information [Line Items]
Net Sales	164,669	150,533	551,126	510,555
Allied Products & Other \| Operating Segments
Segment Reporting Information [Line Items]
Net Sales	168,050	154,295	562,071	522,939
Allied Products & Other \| Intersegment Eliminations
Segment Reporting Information [Line Items]
Net Sales	$ (3,381)	$ (3,762)	$ (10,945)	$ (12,384)

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

ADVANCED DRAINAGE SYSTEMS, INC. 10-Q