Segment Information - Schedule of Segment Reporting Information By Segment (Detail) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2025	Oct. 31, 2024
Segment Reporting Information [Line Items]
Net sales	$ 405,287	$ 377,065
Cost of goods sold	196,455	187,376
Gross margin	208,832	189,689
Operating expenses:
Research and development	23,292	18,921
Selling, general and administrative	117,568	111,846
Total operating expenses	140,860	130,767
Operating Income (Loss)	67,972	58,922
Americas & Asia
Segment Reporting Information [Line Items]
Net sales	268,893	245,428
Europe & Australia
Segment Reporting Information [Line Items]
Net sales	136,394	131,637
Operating Segments
Operating expenses:
Operating Income (Loss)	78,595	68,014
Operating Segments | Americas & Asia
Segment Reporting Information [Line Items]
Net sales	268,893	245,428
Cost of goods sold	131,106	119,178
Gross margin	137,787	126,250
Operating expenses:
Research and development	16,715	13,216
Selling, general and administrative	61,209	58,134
Total operating expenses	77,924	71,350
Operating Income (Loss)	59,863	54,900
Operating Segments | Europe & Australia
Segment Reporting Information [Line Items]
Net sales	136,394	131,637
Cost of goods sold	65,349	68,198
Gross margin	71,045	63,439
Operating expenses:
Research and development	6,577	5,705
Selling, general and administrative	45,736	44,620
Total operating expenses	52,313	50,325
Operating Income (Loss)	$ 18,732	$ 13,114