Earnings Per Share (Schedule Of Basic And Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Numerator:
Net income	$ 779,437	$ 474,505	$ 621,674
Denominator:
Basic weighted-average common shares outstanding (shares)	146,066	145,313	144,338
Effect of dilutive securities:
Stock options and restricted stock units (shares)	977	1,138	1,314
Diluted weighted average shares (shares)	147,043	146,451	145,652
Basic earnings per share (usd per share)	$ 5.34	$ 3.27	$ 4.31
Diluted earnings per share (usd per share)	$ 5.30	$ 3.24	$ 4.27