Intangibles

9 Months Ended

Jan. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Intangibles

Intangibles

The customer relationship intangibles were:

	January 31,		April 30,
(in thousands)	2022		2021
Customer relationship intangibles	$	274,000	$	274,000
Less accumulated amortization	(186,472)		(152,222)
Total	$	87,528	$	121,778

Customer relationship intangibles are amortized over the estimated useful lives on a straight-line basis over six years. Amortization expense for the three month periods ended January 31, 2022 and 2021 was $11.4 million and $12.0 million

respectively, and $34.2 million and $36.5 million, respectively, for each of the nine month periods ended January 31, 2022 and 2021.