Earnings Per Share (Schedule Of Basic And Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Numerator:
Net income (loss)	$ 203,613	$ 178,372
Denominator:
Basic weighted-average common shares outstanding	145,680	144,900
Effect of dilutive securities:
Stock options and restricted stock units	1,180	1,200
Diluted weighted average shares	146,860	146,100
Basic earnings (loss) per share	$ 1.40	$ 1.23
Diluted earnings (loss) per share	$ 1.39	$ 1.22