Stock Based Compensation Stock Options (Details) (Stock Options [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
Sep. 30, 2012
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, period start, number of shares	464
Granted, number of shares	0
Forfeited, number of shares	0
Exercised, number of shares	(141)
Outstanding, period end, number of shares	323
Outstanding, period start, weighted average exercise price	$ 16.19
Granted, weighted average exercise price	$ 0.00
Forfeited, weighted average exercise price	$ 0.00
Exercised, weighted average exercise price	$ 14.63
Outstanding, period end, weighted average exercise price	$ 16.86
Outstanding, period end, intrinsic value	$ 6,780
Vested, period end, number of shares	323
Vested, period end, weighted average exercise price	$ 16.86
Vested, period end, intrinsic value	6,780
Exercisable, period end, number of shares	323
Exercisable, period end, weighted average exercise price	$ 16.86
Exercisable, period end, intrinsic value	$ 6,780

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The total dollar difference between fair values of the underlying shares reserved for issuance and exercise prices of vested portions of options outstanding and currently exercisable under the option plan as of the balance sheet date.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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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.

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The weighted average price at which option holders acquired shares when converting their stock options into shares under the plan during the reporting period.

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The combined weighted average exercise price associated with stock options during the period that have either lapsed or been forfeited.

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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 weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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The total dollar difference between fair values of the underlying shares reserved for issuance and exercise prices pertaining to options outstanding under the plan as of the balance sheet date.

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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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The weighted average price as of the beginning of the year at which grantees can acquire the shares reserved for issuance under the stock option plan.

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As of the balance sheet date, the total dollar difference between fair values of the underlying shares reserved for issuance and exercise prices of fully vested and expected to vest options outstanding.

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As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan.

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As of the balance sheet date, the weighted-average exercise price for outstanding stock options that are fully vested or expected to vest.

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

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