Earnings Per Share - Computation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Earnings Per Share [Abstract]
Net income	$ 120,177	$ 86,047
Weighted-average number of basic shares outstanding during the period (in shares)	22,304	22,647
Dilutive effect of RSUs after application of treasury stock method (in shares)	235	247
Weighted-average number of diluted shares outstanding during the period (in shares)	22,539	22,894
Basic earnings per share (in dollars per share)	$ 5.39	$ 3.80
Diluted earnings per share (in dollars per share)	$ 5.33	$ 3.76