Segment Information - Schedule of Segment Reporting Information By Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2026	Jan. 31, 2025
Segment Reporting Information [Line Items]
Net sales	$ 384,137	$ 356,675	$ 789,424	$ 733,740
Cost of goods sold	189,743	180,832	386,198	368,208
Gross margin	194,394	175,843	403,226	365,532
Operating expenses:
Research and development	24,309	18,723	47,601	37,644
Selling, general and administrative	107,895	105,886	225,463	217,732
Total operating expenses	132,204	124,609	273,064	255,376
Operating Income (Loss)	62,190	51,234	130,162	110,156
Americas & Asia
Segment Reporting Information [Line Items]
Net sales	251,604	233,846	520,497	479,274
Europe & Australia
Segment Reporting Information [Line Items]
Net sales	132,533	122,829	268,927	254,466
Operating Segments
Operating expenses:
Operating Income (Loss)	69,173	57,364	147,768	125,378
Operating Segments | Americas & Asia
Segment Reporting Information [Line Items]
Net sales	251,604	233,846	520,497	479,274
Cost of goods sold	124,591	119,073	255,697	238,251
Gross margin	127,013	114,773	264,800	241,023
Operating expenses:
Research and development	17,499	12,911	34,214	26,127
Selling, general and administrative	55,763	55,876	116,972	114,010
Total operating expenses	73,262	68,787	151,186	140,137
Operating Income (Loss)	53,751	45,986	113,614	100,886
Operating Segments | Europe & Australia
Segment Reporting Information [Line Items]
Net sales	132,533	122,829	268,927	254,466
Cost of goods sold	65,152	61,759	130,501	129,957
Gross margin	67,381	61,070	138,426	124,509
Operating expenses:
Research and development	6,810	5,812	13,387	11,517
Selling, general and administrative	45,149	43,880	90,885	88,500
Total operating expenses	51,959	49,692	104,272	100,017
Operating Income (Loss)	$ 15,422	$ 11,378	$ 34,154	$ 24,492