Goodwill and other intangible assets - Summary of Changes in Carrying Amount of Goodwill (Detail) $ in Thousands	6 Months Ended
Apr. 30, 2023 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 1,804,693
Acquisitions	279,630
Currency effect	26,148
Ending balance	2,110,471
Industrial Precision Solutions
Goodwill [Roll Forward]
Beginning balance	520,236
Acquisitions	0
Currency effect	4,440
Ending balance	524,676
Advanced Technology Solutions
Goodwill [Roll Forward]
Beginning balance	112,388
Acquisitions	279,630
Currency effect	17,672
Ending balance	409,690
Medical Fluid Systems
Goodwill [Roll Forward]
Beginning balance	1,172,069
Acquisitions	0
Currency effect	4,036
Ending balance	$ 1,176,105

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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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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