Revenues (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Change In Accounting Estimate [Line Items]
Income before income taxes	$ 454,572	$ 499,615	$ 401,637
Diluted earnings per share	$ 15.49	$ 18.30	$ 12.61
Change in Contract with Customer, Liability [Abstract]
Liability, revenue recognized	$ 74,200	$ 57,100
EAC Adjustments
Change In Accounting Estimate [Line Items]
Income before income taxes	$ 29,800	$ 44,100	$ 33,000
Diluted earnings per share	$ 0.93	$ 1.30	$ 0.95
Revenue from previously satisfied performance obligations		$ 2,500	$ 10,500