Earnings Per Share Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Earnings Per Share [Abstract]
Net Income	$ 87,099	$ 81,549	$ 280,743	$ 268,873
Common share information:
Weighted average shares outstanding for basic earnings per share	72,872	72,935	72,860	72,931
Dilutive effect of stock options, restricted stock units, and performance units	159	139	150	188
Weighted average shares outstanding for diluted earnings per share	73,031	73,074	73,010	73,119
Basic earnings per share	$ 1.20	$ 1.12	$ 3.85	$ 3.69
Diluted earnings per share	$ 1.19	$ 1.12	$ 3.85	$ 3.68
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	31	0	29	0