Goodwill and other intangible assets

6 Months Ended

Apr. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying amount of goodwill for the six months ended April 30, 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	4,440		4,036		17,672		26,148
Balance at April 30, 2023	$	524,676	$	1,176,105	$	409,690	$	2,110,471

The increase in goodwill for the six months ended April 30, 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:


	April 30, 2023
	Carrying Amount		Accumulated Amortization		Net Book Value
Customer relationships	$	517,081	$	273,771	$	243,310
Patent/technology costs	176,103		106,124		69,979
Trade name	99,351		48,975		50,376
Non-compete agreements	10,559		9,822		737
Other	141		139		2
Total	$	803,235	$	438,831	$	364,404

	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 April 30, 2023 and 2022 was $14,045 and $12,572, respectively. Amortization expense for the six months ended April 30, 2023 and 2022 was $27,917 and $25,657, respectively. See Acquisitions Note for details regarding intangibles recorded due to the acquisition of CyberOptics.