Revenues and Contract Balances (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Change In Accounting Estimate [Line Items]
Income before income taxes	$ 116,610	$ 116,631
Diluted earnings per share	$ 3.76	$ 3.70
Change in Contract with Customer, Liability [Abstract]
Liability, revenue recognized	$ 50,500	$ 54,700
EAC Adjustments
Change In Accounting Estimate [Line Items]
Income before income taxes	$ 5,700	$ 2,800
Diluted earnings per share	$ 0.18	$ 0.09