Stock-Based Compensation (Schedule Of Stock Option Plans) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	12 Months Ended
Sep. 30, 2017	Jun. 30, 2017	Jun. 30, 2016
Stock-Based Compensation [Abstract]
Shares, Outstanding and exercisable	187	270
Shares, Granted	21	24
Shares, Exercised		(98)
Shares, Canceled	(5)	(9)
Shares, Outstanding and exercisable	203	187
Weighted Average Exercise Price, Oustanding and exercisable	$ 27.21	$ 22.85
Weighted Average Exercise Price, Granted	45.21	47.45
Weighted Average Exercise Price, Exercised		20.57
Weighted Average Exercise Price, Canceled	39.53	20.51
Weighted Average Exercise Price, Oustanding and exercisable	$ 28.77	$ 27.21
Aggregate Intrinsic Value	$ 4,457	$ 5,039	$ 4,638

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
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Net number of share options (or share units) granted during the period.

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- Definition

Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Number of share options (or share units) exercised during the current period.

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