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Summary Of Significant Accounting Policies (Narrative) (Details) - $ / shares | 12 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Nov. 30, 2010
Summary Of Accounting Policies [Line Items] |  |  |
Preferred stock, shares authorized (in shares) | 3,050,000 | 3,050,000 |
Shares authorized for repurchase (in shares) |  |  | 2,000,000
Shares remaining authorized for future purchase (in shares) | 1,419,682 |  |
Class A Participating Preferred Stock[Member] |  |  |
Summary Of Accounting Policies [Line Items] |  |  |
Preferred stock, shares authorized (in shares) | 750,000 |  |
Preferred stock, par value (in dollars per share) | $ 1.00 |  |
Class B Voting Preferred Stock[Member] |  |  |
Summary Of Accounting Policies [Line Items] |  |  |
Preferred stock, shares authorized (in shares) | 1,150,000 |  |
Preferred stock, par value (in dollars per share) | $ 0 |  |
Class C Nonvoting Preferred Stock [Member] |  |  |
Summary Of Accounting Policies [Line Items] |  |  |
Preferred stock, shares authorized (in shares) | 1,150,000 |  |
Preferred stock, par value (in dollars per share) | $ 0 |  |
Buildings And Improvements [Member] | Minimum [Member] |  |  |
Summary Of Accounting Policies [Line Items] |  |  |
Estimated useful life (in years) | 10 years |  |
Buildings And Improvements [Member] | Maximum [Member] |  |  |
Summary Of Accounting Policies [Line Items] |  |  |
Estimated useful life (in years) | 40 years |  |
Machinery And Equipment [Member] | Minimum [Member] |  |  |
Summary Of Accounting Policies [Line Items] |  |  |
Estimated useful life (in years) | 3 years |  |
Machinery And Equipment [Member] | Maximum [Member] |  |  |
Summary Of Accounting Policies [Line Items] |  |  |
Estimated useful life (in years) | 15 years |  |

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- Definition Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer. + 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 210.5-02.28) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 + Details
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