LEASES (Lease Costs) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Jan. 31, 2020	Jan. 31, 2020
Leases [Abstract]
Operating lease costs	$ 59,804	$ 180,734
Variable lease costs	17,822	50,272
Subrental income	(330)	(1,015)
Total lease costs	$ 77,296	$ 229,991