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CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY (Parentheticals) - USD ($) $ in Thousands		3 Months Ended
	Jul. 01, 2018	Sep. 30, 2018	Sep. 30, 2017
Reclassification pursuant to adoption of ASU 2016-01, tax (in Dollars)	$ 1,049
Common Class A [Member]
Purchases of shares of Common Stock (class A)		1,000	9,199
Common Stock [Member] | Common Class A [Member]
Balance shares	13,866,691	13,866,691	13,866,601
Balance shares		13,866,691	13,866,601
Purchases of shares of Common Stock (class A)		1,000	9,199
Issuance of stock under ESPP		628	980
Common Stock [Member] | Common Class C [Member]
Balance shares	2,068,857	2,068,857	2,068,947
Balance shares		2,068,857	2,068,947

X

- Definition

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

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Amount of the related income tax effect of a cumulative effect on retained earnings.

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

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