Goodwill and Intangible Assets (Tables)

6 Months Ended

Oct. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in the carrying amount of goodwill

The following table presents changes in the carrying amount of goodwill:

	Gross		Accumulated		Net
	Carrying Amount		Impairment Loss		Carrying Amount
	(in thousands)
Balance as of April 30, 2021	$	645,377	$	(69,047)	$	576,330
Goodwill recognized from acquisitions	14,839		—		14,839
Acquisition accounting adjustments	(476)		—		(476)
Translation adjustment	(1,617)		485		(1,132)
Balance as of October 31, 2021	$	658,123	$	(68,562)	$	589,561

Schedule of components of definite-lived intangible assets

The following tables present the components of the Company’s definite-lived intangible assets:

	Estimated Useful Lives (years)	Weighted Average Amortization Period	October 31, 2021
			Gross Carrying Amount		Accumulated Amortization		Net Carrying Value
	(dollars in thousands)
Customer relationships	5-16	12.7	$	619,335	$	(357,083)	$	262,252
Definite-lived tradenames	5-20	15.8	73,078		(17,049)		56,029
Vendor agreements	8-10	8.3	6,644		(5,775)		869
Developed technology	5	4.9	5,649		(3,925)		1,724
Other	3-5	3.8	1,278		(1,187)		91
Totals			$	705,984	$	(385,019)	$	320,965

	Estimated Useful Lives (years)	Weighted Average Amortization Period	April 30, 2021
			Gross Carrying Amount		Accumulated Amortization		Net Carrying Value
	(dollars in thousands)
Customer relationships	5-16	13.3	$	569,255	$	(330,880)	$	238,375
Definite-lived tradenames	5-20	16.8	62,084		(14,842)		47,242
Vendor agreements	8-10	8.3	6,644		(5,372)		1,272
Developed technology	5	4.9	5,699		(3,381)		2,318
Other	3-5	3.3	4,291		(3,996)		295
Totals			$	647,973	$	(358,471)	$	289,502

Schedule of estimated future aggregate amortization expense

The following table summarizes the estimated future amortization expense for definite-lived intangible assets. Actual amortization expense to be reported in future periods could differ materially from these estimates as a result of acquisitions, changes in useful lives, foreign currency exchange rate fluctuations and other relevant factors.

Year Ending April 30,	(in thousands)
2022 (remaining six months)	$	29,806
2023	53,692
2024	44,225
2025	36,566
2026	30,728
Thereafter	125,948
Total	$	320,965