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Goodwill and other intangible assets (Tables)
6 Months Ended
Apr. 30, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Summary of Changes in Carrying Amount of Goodwill
Changes in the carrying amount of goodwill for the six months ended April 30, 2022 by operating segment were as follows:
 Industrial
Precision
Solutions
Advanced
Technology
Solutions
Total
Balance at October 31, 2021$415,020 $1,298,128 $1,713,148 
Acquisitions129,856  129,856 
Currency effect(12,431)(9,482)(21,913)
Balance at April 30, 2022$532,445 $1,288,646 $1,821,091 
Summary of Intangible Assets Subject to Amortization
Information regarding our intangible assets subject to amortization was as follows:
 April 30, 2022
 Carrying 
Amount
Accumulated
Amortization
Net Book 
Value
Customer relationships$485,584 $238,359 $247,225 
Patent/technology costs160,542 92,682 67,860 
Trade name83,806 42,209 41,597 
Non-compete agreements10,448 9,184 1,264 
Other1,209 1,203 6 
Total$741,589 $383,637 $357,952 
 October 31, 2021
 Carrying 
Amount
Accumulated
Amortization
Net Book 
Value
Customer relationships$483,815 $226,658 $257,157 
Patent/technology costs154,267 89,299 64,968 
Trade name74,301 39,858 34,443 
Non-compete agreements9,896 9,099 797 
Other1,385 1,383 
Total$723,664 $366,297 $357,367