Goodwill and other intangible assets - Summary of Changes in Carrying Amount of Goodwill (Detail) $ in Thousands	9 Months Ended
	Jul. 31, 2024 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 2,784,201
Acquisitions	(7,543)
Currency effect	9,115
Ending balance	2,785,773
Industrial Precision Solutions
Goodwill [Roll Forward]
Beginning balance	1,208,996
Acquisitions	(7,543)
Currency effect	5,972
Ending balance	1,207,425
Advanced Technology Solutions
Goodwill [Roll Forward]
Beginning balance	401,347
Acquisitions	0
Currency effect	1,802
Ending balance	403,149
Medical Fluid Systems
Goodwill [Roll Forward]
Beginning balance	1,173,858
Acquisitions	0
Currency effect	1,341
Ending balance	$ 1,175,199