Goodwill and Intangible Assets

6 Months Ended

Apr. 30, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

The change in the carrying amount of goodwill for the six months ended April 30, 2022 was as follows (in thousands):


	Six Months Ended
	April 30, 2022
Beginning balance as of November 1, 2021	$	149,205


Foreign currency translation adjustment	(5,937)
Balance as of the end of the period	$	143,268

At our last annual test date, August 31, 2021, we evaluated the recoverability of goodwill at each of our five reporting units with goodwill balances and determined that our goodwill was not impaired. We evaluated for indicators of impairment during the three and six months ended April 30, 2022 and determined that there were no triggering events. For a summary of the change in the carrying amount of goodwill by segment, see Note 11, “Segment Information.”

Identifiable Intangible Assets

Amortizable intangible assets consisted of the following as of April 30, 2022 and October 31, 2021 (in thousands):


	April 30, 2022				October 31, 2021
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Customer relationships	$	142,877	$	84,938	$	146,207	$	81,086
Trademarks and trade names	55,403		40,130		56,437		39,589
Patents and other technology	22,465		22,096		22,525		22,084

Total	$	220,745	$	147,164	$	225,169	$	142,759

We had aggregate amortization expense related to intangible assets for the three and six months ended April 30, 2022 of $3.0 million and $6.0 million, respectively, and $3.3 million and $6.7 million for the comparable prior year periods.

Estimated remaining amortization expense, based on current intangible balances, for each of the fiscal years ending October 31, is as follows (in thousands):


	Estimated Amortization Expense
2022 (remaining six months)	$	5,939
2023	11,144
2024	10,392
2025	9,165
2026	9,090
Thereafter	27,851
Total	$	73,581