Goodwill and other intangible assets - Summary of Changes in Carrying Amount of Goodwill (Detail) $ in Thousands	3 Months Ended
Jan. 31, 2024 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 2,784,201
Acquisitions	(7,700)
Currency effect	28,585
Ending balance	2,805,086
Industrial Precision Solutions
Goodwill [Roll Forward]
Beginning balance	1,208,996
Acquisitions	(7,700)
Currency effect	25,705
Ending balance	1,227,001
Advanced Technology Solutions
Goodwill [Roll Forward]
Beginning balance	401,347
Acquisitions	0
Currency effect	1,576
Ending balance	402,923
Medical Fluid Systems
Goodwill [Roll Forward]
Beginning balance	1,173,858
Acquisitions	0
Currency effect	1,304
Ending balance	$ 1,175,162

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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