Acquisitions - Schedule of Unaudited Pro Forma Information (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Feb. 28, 2026	Feb. 28, 2025	Feb. 28, 2026	Feb. 28, 2025
Business Combination, Pro Forma Information [Abstract]
Pro forma net sales	$ 383,021	$ 341,789	$ 1,054,891	$ 954,519
Pro forma net earnings	$ 48,144	$ 40,948	$ 120,807	$ 92,194

Amount, after tax, of pro forma income (loss) of combined entity as if acquisition date of business combination occurred as of beginning of period.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 805
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Reference 2: http://www.xbrl.org/2003/role/exampleRef
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
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