Intangible Assets, Net

3 Months Ended

Jul. 31, 2022

Intangible Assets, Net (Excluding Goodwill) [Abstract]

(5) Intangible Assets, net:

The following table summarizes intangible assets as of July 31, 2022 and April 30, 2022 (in thousands):


	July 31, 2022							April 30, 2022
	Gross							Gross
	Carrying		Accumulated			Net Carrying		Carrying		Accumulated			Net Carrying
	Amount		Amortization			Amount		Amount		Amortization			Amount
Customer relationships	$	89,980	$	(69,476	)	$	20,504	$	89,980	$	(67,955	)	$	22,025
Developed software and technology		26,451		(20,035	)		6,416		25,812		(19,395	)		6,417
Patents, trademarks, and trade names		68,706		(40,282	)		28,424		68,663		(39,030	)		29,633
		185,137		(129,793	)		55,344		184,455		(126,380	)		58,075
Patents and software in development		4,899		—			4,899		4,689		—			4,689
Total definite-lived intangible assets		190,036		(129,793	)		60,243		189,144		(126,380	)		62,764
Indefinite-lived intangible assets		430		—			430		430		—			430
Total intangible assets	$	190,466	$	(129,793	)	$	60,673	$	189,574	$	(126,380	)	$	63,194

We amortize intangible assets with determinable lives over a weighted-average period of approximately five years. The weighted-average periods of amortization by intangible asset class is approximately five years for customer relationships, five years for developed software and technology, and six years for patents, trademarks, and trade names. Amortization expense amounted to $3.4 million and $3.5 million for the three months ended July 31, 2022 and 2021, respectively.

Future expected amortization expense for the remainder of fiscal 2023 and for succeeding fiscal years, as of July 31, 2022, are as follows (in thousands):


Fiscal	Amount
2023	$	9,927
2024		12,294
2025		8,686
2026		7,396
2027		5,071
2028		3,787
Thereafter		8,183
Total	$	55,344