RECEIVABLES (Schedule of Activity in the Allowance For Doubtful Accounts) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2020	Jul. 31, 2019
Allowance for Doubtful Accounts [Roll Forward]
Beginning balance	$ 82,480	$ 81,473
Provision	2,809	552
Charge-offs, recoveries and other	(2,214)	(322)
Ending balance	83,075	81,703
EAs
Allowance for Doubtful Accounts [Roll Forward]
Beginning balance	32,034	27,535
Provision	(2,860)	0
Charge-offs, recoveries and other	0	0
Ending balance	29,174	27,535
All Other
Allowance for Doubtful Accounts [Roll Forward]
Beginning balance	50,446	53,938
Provision	5,669	552
Charge-offs, recoveries and other	(2,214)	(322)
Ending balance	$ 53,901	$ 54,168