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Goodwill and Intangible Assets (Tables)

9 Months Ended

Feb. 28, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible assets consisted of the following:


			Feb 28, 2021
(in thousands)			Gross carrying value						Accumulated amortization						Net carrying value
Product technologies			$	254,675					$	(99,066)					$	155,609
Customer relationships			60,273						(33,142)						27,131
Trademarks			10,150						(6,931)						3,219
Licenses			6,087						(5,830)						257


			$	331,185					$	(144,969)					$	186,216


			May 31, 2020
(in thousands)			Gross carrying value						Accumulated amortization						Net carrying value
Product technologies			$	251,569					$	(88,547)					$	163,022
Customer relationships			60,160						(30,018)						30,142
Trademarks			10,150						(6,691)						3,459
Licenses			6,087						(5,574)						513


			$	327,966					$	(130,830)					$	197,136

Schedule of Future Amortization Expense

Expected future amortization expense related to the intangible assets for each of the following fiscal years is as follows:


(in thousands)
Remainder of 2021			$	4,223
2022			17,013
2023			17,453
2024			15,943
2025			16,951
2026 and thereafter			114,633
			$	186,216