Acquisitions, Pro Forma Information, Gravotech (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021
Business Combination, Pro Forma Information [Line Items]
Net sales	$ 1,513,605	$ 1,341,393	$ 1,331,863
Net income	$ 189,256	197,215	$ 174,857	$ 149,979	$ 129,659
Gravotech Acquisition
Business Combination, Pro Forma Information [Line Items]
Net sales		1,457,537
Net income		$ 189,258