Stockholders' Equity (Schedule Of Option Activity) (Details) - $ / shares shares in Thousands	12 Months Ended
Jun. 30, 2020	Jun. 30, 2019
Stockholders' Equity [Abstract]
Options, Outstanding at beginning of period	1,260
Options, Granted	162
Options, Exercised	(350)
Options, Forfeited	(4)
Options, Outstanding at end of period	1,068	1,260
Options exercisable at end of period	641
Options vested and expected to vest at end of period	1,046
Weighted Average Exercise Price, Outstanding at beginning of period	$ 72.91
Weighted Average Exercise Price, Granted	146.34
Weighted Average Exercise Price, Exercised	57.17
Weighted Average Exercise Price, Forfeited	110.19
Weighted Average Exercise Price, Outstanding at end of period	89.05	$ 72.91
Weighted Average Exercise Price, Options exercisable at end of period	71.18
Weighted Average Exercise Price, Options vested and expected to vest at end of period	$ 88.32
Weighted Average Remaining Contractual Term in Years, Outstanding at end of period	4 years 4 months 24 days	4 years 4 months 24 days
Weighted Average Remaining Contractual Term in Years, Options exercisable at end of period	3 years 8 months 12 days
Weighted Average Remaining Contractual Term in Years, Options vested and expected to vest at end of period	4 years 4 months 24 days

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.