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Goodwill and Intangible Assets (Tables)

6 Months Ended

Nov. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible assets consisted of the following:


			Nov 30, 2021
(in thousands)			Gross carrying value						Accumulated amortization						Net carrying value
Product technologies			$	242,907					$	(105,140)					$	137,767
Customer relationships			60,186						(36,067)						24,119
Trademarks			9,950						(7,045)						2,905
Licenses			6,087						(5,878)						209


			$	319,130					$	(154,130)					$	165,000


			May 31, 2021
(in thousands)			Gross carrying value						Accumulated amortization						Net carrying value
Product technologies			$	236,907					$	(97,343)					$	139,564
Customer relationships			60,291						(34,164)						26,127
Trademarks			9,950						(6,905)						3,045
Licenses			6,087						(5,846)						241


			$	313,235					$	(144,258)					$	168,977

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 2022			$	9,796
2023			19,111
2024			16,902
2025			16,884
2026			16,703
2027 and thereafter			85,604
			$	165,000