Earnings Per Share - Calculation of Basic and Diluted Earnings per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Earnings Per Share [Abstract]
Net income	$ 366,794	$ 457,443	$ 321,480
Weighted-average basic shares outstanding	23,446	24,705	25,031
Dilutive effect of RSUs after application of treasury stock method	231	287	454
Weighted-average number of diluted shares outstanding during the period	23,677	24,992	25,485
Basic earnings per share	$ 15.64	$ 18.52	$ 12.84
Diluted earnings per share	$ 15.49	$ 18.30	$ 12.61