Note 8. Stock Compensation Plans - Textuals (Details) - USD ($) $ in Millions	12 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Share-based Compensation Arrangements
Stock Compensation Plan, Pre-tax Compensation Cost	$ 5.6	$ 5.6	$ 5.5
Stock Compensation Plan, Income Tax Benefit from Compensation Cost	$ 2.2	$ 2.2	$ 2.2
Amended and Restated 2003 Stock Option and Incentive Plan
Share-based Compensation Arrangements
Stock Compensation Plan, Shares Reserved	5,000,000

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ References

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