Revenue Recognition (Changes in Balances of Deferred Revenue and Wages) (Details) - Peace of Mind Revenues [Member] - USD ($) $ in Thousands	2 Months Ended	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2022	Apr. 30, 2021	Apr. 30, 2020
Deferred Revenue
Movement in Deferred Revenue [Roll Forward]
Balance, beginning of the period	$ 183,871	$ 172,759	$ 183,685	$ 212,511
Amounts deferred	12,464	110,679	115,114	95,032
Amounts recognized on previous deferrals	(23,576)	(109,952)	(114,928)	(123,858)
Balance, end of the period	172,759	173,486	183,871	183,685
Deferred Wages
Movement in Deferred Revenue [Roll Forward]
Balance, beginning of the period	20,169	17,867	21,618	27,306
Amounts deferred	8	12,668	11,367	10,708
Amounts recognized on previous deferrals	(2,310)	(11,040)	(12,816)	(16,396)
Balance, end of the period	$ 17,867	$ 19,495	$ 20,169	$ 21,618