RECEIVABLES (Schedule of Activity in the Allowance For Doubtful Accounts) (Details) - USD ($) $ in Thousands	9 Months Ended
	Jan. 31, 2020	Jan. 31, 2019
Allowance for Doubtful Accounts [Roll Forward]
Beginning balance	$ 81,473	$ 81,813
Provision	37,517	35,009
Charge-offs, recoveries and other	(72,374)	(71,818)
Ending balance	46,616	45,004
EAs
Allowance for Doubtful Accounts [Roll Forward]
Beginning balance	27,535	26,622
Provision	17,862	18,254
Charge-offs, recoveries and other	(17,273)	(16,359)
Ending balance	28,124	28,517
All Other
Allowance for Doubtful Accounts [Roll Forward]
Beginning balance	53,938	55,191
Provision	19,655	16,755
Charge-offs, recoveries and other	(55,101)	(55,459)
Ending balance	$ 18,492	$ 16,487