Goodwill and Other Intangible Assets

6 Months Ended

Apr. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and other intangible assets

Changes in the carrying amount of goodwill for the six months ended April 30, 2021 by operating segment were as follows:


	Industrial Precision Solutions		Advanced Technology Solutions		Total
Balance at October 31, 2020	$	415,862	$	1,297,492	$	1,713,354

Currency effect	3,507		4,129		7,636
Balance at April 30, 2021	$	419,369	$	1,301,621	$	1,720,990

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


	April 30, 2021
	Carrying Amount		Accumulated Amortization		Net Book Value
Customer relationships	$	486,696	$	212,301	$	274,395
Patent/technology costs	155,346		84,173		71,173
Trade name	74,666		37,501		37,165
Non-compete agreements	10,005		8,884		1,121
Other	1,394		1,392		2
Total	$	728,107	$	344,251	$	383,856

	October 31, 2020
	Carrying Amount		Accumulated Amortization		Net Book Value
Customer relationships	$	483,568	$	193,617	$	289,951
Patent/technology costs	153,555		76,934		76,621
Trade name	74,240		34,693		39,547
Non-compete agreements	9,908		8,444		1,464
Other	1,403		1,400		3
Total	$	722,674	$	315,088	$	407,586

Amortization expense for the three months ended April 30, 2021 and 2020 was $12,617 and $14,660, respectively. Amortization expense for the six months ended April 30, 2021 and 2020 was $25,697 and $30,833, respectively.