Income Taxes (Schedule Of Reconciliation Of Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands	2 Months Ended	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2022	Apr. 30, 2021	Apr. 30, 2020
Unrecognized Tax Benefits [Roll Forward]
Balance, beginning of the period	$ 264,810	$ 264,323	$ 168,062	$ 185,144
Additions based on tax positions related to prior years	485	2,499	121,364	1,501
Reductions based on tax positions related to prior years	(1,209)	(5,332)	(34,470)	(10,128)
Additions based on tax positions related to the current year	679	32,948	43,800	12,093
Reductions related to settlements with tax authorities	(442)	(9,800)	(29,362)	(980)
Expiration of statute of limitations	0	(52,634)	(4,584)	(19,568)
Balance, end of the period	$ 264,323	$ 232,004	$ 264,810	$ 168,062