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Income Taxes (Narrative) (Details) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2014
Income Tax Authority [Line Items] |  |  |
Gross tax contingency reserve | $ 1,599,000 | $ 1,487,000 | $ 963,000
Accrued tax liabilities included in the gross tax contingency reserve | 1,000,000 |  |
Accrued interest and penalties included in the gross tax contingency reserve | 571,000 | 479,000 |
Gross tax contingency reserve, classified as current liabilities | 0 |  |
Gross tax contingency reserve, classified as noncurrent liabilities | $ 1,599,000 | 1,487,000 |
Qualified manufacturing activities deduction percentage | 9.00% |  |
Federal [Member] |  |  |
Income Tax Authority [Line Items] |  |  |
Prepaid income taxes | $ 4,300,000 | 3,800,000 |
State and Local [Member] |  |  |
Income Tax Authority [Line Items] |  |  |
Prepaid income taxes | $ 500,000 | $ 600,000 |

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- Definition The portion of the gross tax contingency reserve related to tax liabilities accrued as of the balance sheet date. This balance excludes accrued penalties and interest. + References No definition available. + Details
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- Definition The current portion of the amount recognized for uncertain tax positions as of the balance sheet date. + 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 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The noncurrent portion of the amount recognized for uncertain tax positions as of the balance sheet date. + 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 210.5-02.24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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