Goodwill and other intangible assets

9 Months Ended

Jul. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying amount of goodwill for the nine months ended July 31, 2023 by operating segment were as follows:


	Industrial Precision Solutions		Medical Fluid Systems		Advanced Technology Solutions		Total
Balance at October 31, 2022	$	520,236	$	1,172,069	$	112,388	$	1,804,693
Acquisitions	—		—		279,630		279,630
Currency effect	4,744		3,869		17,844		26,457
Balance at July 31, 2023	$	524,980	$	1,175,938	$	409,862	$	2,110,780

The increase in goodwill for the nine months ended July 31, 2023 was due to the acquisition of CyberOptics. See Acquisitions Note for additional details.

Information regarding our intangible assets subject to amortization was as follows:


	July 31, 2023
	Carrying Amount		Accumulated Amortization		Net Book Value
Customer relationships	$	517,147	$	282,598	$	234,549
Patent/technology costs	176,396		109,783		66,613
Trade name	99,413		50,673		48,740
Non-compete agreements	10,559		9,937		622
Other	143		143		—
Total	$	803,658	$	453,134	$	350,524

	October 31, 2022
	Carrying Amount		Accumulated Amortization		Net Book Value
Customer relationships	$	480,058	$	250,798	$	229,260
Patent/technology costs	157,549		96,426		61,123
Trade name	82,759		44,707		38,052
Non-compete agreements	10,253		9,290		963
Other	446		442		4
Total	$	731,065	$	401,663	$	329,402

Amortization expense for the three months ended July 31, 2023 and 2022 was $13,922 and $12,709, respectively. Amortization expense for the nine months ended July 31, 2023 and 2022 was $41,839 and $38,366, respectively. See Acquisitions Note for details regarding intangibles recorded due to the acquisition of CyberOptics.