Stock-Based Compensation (Schedule Of Stock Option Plans) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	6 Months Ended	12 Months Ended
Dec. 31, 2012	Jun. 30, 2012	Jun. 30, 2011
Stock-Based Compensation [Abstract]
Shares, Outstanding and exercisable	818	1,046
Shares, Granted	79	83
Shares, Exercised	(82)	(306)
Shares, Canceled	(10)	(5)
Shares, Outstanding and exercisable	805	818
Weighted Average Exercise Price, Oustanding and exercisable	$ 13.94	$ 13.56
Weighted Average Exercise Price, Granted	$ 19.99	$ 13.87
Weighted Average Exercise Price, Exercised	$ 13.20	$ 12.57
Weighted Average Exercise Price, Canceled	$ 16.09	$ 17.12
Weighted Average Exercise Price, Oustanding and exercisable	$ 14.59	$ 13.94
Aggregate Intrinsic Value	$ 5,524	$ 4,783	$ 2,271

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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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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.

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Net number of share options (or share units) granted during the period.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including 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 price at which grantees can acquire the shares reserved for issuance on stock options awarded.

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

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