v3.24.2.u1
Goodwill and other intangible assets
 9 Months Ended
Jul. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and other intangible assets
Goodwill and other intangible assets  
Changes in the carrying amount of goodwill for the nine months ended July 31, 2024 by operating segment were as follows:
 Industrial
Precision
Solutions		Medical Fluid SystemsAdvanced
Technology
Solutions		Total
Balance at October 31, 2023$1,208,996 $1,173,858 $401,347 $2,784,201 
Acquisitions(7,543)— — (7,543)
Currency effect5,972 1,341 1,802 9,115 
Balance at July 31, 2024$1,207,425 $1,175,199 $403,149 $2,785,773 
See Acquisitions Note for additional details.
Information regarding our intangible assets subject to amortization was as follows:
 July 31, 2024
 Carrying 
Amount		Accumulated
Amortization		Net Book 
Value
Customer relationships$811,392 $327,906 $483,486 
Patent/technology costs207,113 128,990 78,123 
Trade name126,820 59,861 66,959 
Non-compete agreements8,486 8,290 196 
Other421 421 — 
Total$1,154,232 $525,468 $628,764 
 October 31, 2023
 Carrying 
Amount		Accumulated
Amortization		Net Book 
Value
Customer relationships$794,706 $287,585 $507,121 
Patent/technology costs204,905 112,994 91,911 
Trade name125,692 52,488 73,204 
Non-compete agreements10,028 9,521 507 
Other182 181 1 
Total$1,135,513 $462,769 $672,744 
Amortization expense for the three months ended July 31, 2024 and 2023 was $19,202 and $13,922, respectively. Amortization expense for the nine months ended July 31, 2024 and 2023 was $57,412 and $41,839, respectively. See Acquisitions Note for details regarding intangibles recorded due to the acquisition of ARAG and CyberOptics.