RECEIVABLES (Schedule of Activity in the Allowance For Doubtful Accounts) (Details) - USD ($) $ in Thousands	9 Months Ended
	Jan. 31, 2021	Jan. 31, 2020
Allowance for Doubtful Accounts [Roll Forward]
Beginning balance	$ 82,480	$ 81,473
Provision	25,642	37,517
Charge-offs, recoveries and other	(73,106)	(72,374)
Ending balance	35,016	46,616
EAs
Allowance for Doubtful Accounts [Roll Forward]
Beginning balance	32,034	27,535
Provision	12,783	17,862
Charge-offs, recoveries and other	(18,649)	(17,273)
Ending balance	26,168	28,124
All Other
Allowance for Doubtful Accounts [Roll Forward]
Beginning balance	50,446	53,938
Provision	12,859	19,655
Charge-offs, recoveries and other	(54,457)	(55,101)
Ending balance	$ 8,848	$ 18,492