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CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY (Parentheticals) - shares	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Common Class A [Member]
Balance	13,866,421	13,866,361	13,865,021
Balance	13,866,421	13,866,421	13,866,361
Purchases of shares of Common Stock (class A)	177,998	95,251	93,351
Purchases of stock under ESPP of shares of Common Stock (class A)	39,084	37,383	52,191
Number of shares issued as result of stock conversion		60	1,340
Common Class C [Member]
Balance	2,069,127	2,069,187	2,070,527
Balance	2,069,127	2,069,127	2,069,187
Number of shares converted		60	1,340

X

- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
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The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

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Number of shares issued during the period as a result of an employee stock purchase plan.

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Number of shares that have been repurchased during the period and are being held in treasury.

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