Earnings Per Share - Schedule Of Basic And Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended						9 Months Ended
	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Mar. 31, 2023	Mar. 31, 2022
Numerator:
Net income	$ 232,500	$ 224,914	$ 210,478	$ 179,012	$ 201,751	$ 203,613	$ 667,892	$ 584,376
Denominator:
Basic weighted-average common shares outstanding (shares)	146,914			146,240			146,681	145,969
Effect of dilutive securities:
Stock options and restricted stock units (shares)	481			722			719	1,065
Diluted weighted average shares (shares)	147,395			146,962			147,400	147,034
Basic earnings per share (dollars per share)	$ 1.58			$ 1.22			$ 4.55	$ 4.00
Diluted earnings per share (dollars per share)	$ 1.58			$ 1.22			$ 4.53	$ 3.97