Goodwill and other intangible assets - Summary of Changes in Carrying Amount of Goodwill (Detail) $ in Thousands	3 Months Ended
Jan. 31, 2023 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 1,804,693
Acquisitions	279,630
Currency effect	22,790
Ending balance	2,107,113
Industrial Precision Solutions
Goodwill [Roll Forward]
Beginning balance	520,236
Acquisitions	0
Currency effect	15,734
Ending balance	535,970
Advanced Technology Solutions
Goodwill [Roll Forward]
Beginning balance	112,388
Acquisitions	279,630
Currency effect	3,305
Ending balance	395,323
Medical Fluid Systems
Goodwill [Roll Forward]
Beginning balance	1,172,069
Acquisitions	0
Currency effect	3,751
Ending balance	$ 1,175,820

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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