Operating segments - Segments (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023
Segment Reporting Information [Line Items]
Net external sales	$ 650,642	$ 650,165	$ 1,283,835	$ 1,260,642
Operating profit (loss)	168,616	172,507	328,051	316,726
Operating Segments
Segment Reporting Information [Line Items]
Net external sales	650,642	650,165	1,283,835	1,260,642
Operating profit (loss)	168,616	172,507	328,051	316,726
Operating Segments | Industrial Precision Solutions
Segment Reporting Information [Line Items]
Net external sales	366,991	335,807	721,538	647,353
Operating profit (loss)	117,831	111,773	226,195	214,093
Operating Segments | Advanced Technology Solutions
Segment Reporting Information [Line Items]
Net external sales	114,685	147,832	233,805	292,476
Operating profit (loss)	18,784	26,090	37,822	43,053
Operating Segments | Medical and Fluid Solutions
Segment Reporting Information [Line Items]
Net external sales	168,966	166,526	328,492	320,813
Operating profit (loss)	48,993	47,922	95,093	87,307
Corporate
Segment Reporting Information [Line Items]
Net external sales	0	0	0	0
Operating profit (loss)	$ (16,992)	$ (13,278)	$ (31,059)	$ (27,727)