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STOCKHOLDERS' EQUITY (Details) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Jun. 30, 2017 USD ($) item $ / shares shares | Jun. 30, 2016 USD ($) $ / shares shares | Jun. 30, 2015 USD ($) shares
Preferred Stock |  |  |
Number of authorized and unissued shares (in shares) | shares | 10,000,000 | 10,000,000 |
Preferred stock, par value (in dollars per share) | $ / shares | $ 0.01 | $ 0.01 |
Common Stock Issuances |  |  |
Number of stock options exercised (in shares) | shares | 17,198 | 2,500 | 20,488
Proceeds from stock options exercised | $ | $ 0.5 | $ 0.1 | $ 0.8
Stockholders' Rights Plan |  |  |
Number of preferred stock purchase rights for each share of Company common stock held | item | 1 |  |
Minimum percentage of company's outstanding shares of common stock accumulated by acquiring party for rights to become exercisable | 15.00% |  |
Fraction of newly issued share of Series A junior participating preferred stock that could be purchased, for each Right | item | 0.001 |  |
Value of a share of the Company's common stock allowed to be purchased for each Right, as a multiple of the exercise price of the Right | 2.00 |  |
Initial exercise price of the Right (in dollars per right) | $ / shares | $ 175 |  |

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- Definition The fraction of a newly issued share of Series A junior participating preferred stock that can be purchased for each preferred stock purchase right. + References No definition available. + Details
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- Definition Represents the initially set exercise price of each preferred stock purchase right. + References No definition available. + Details
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- Definition The minimum percentage of the entity's outstanding shares of common stock that must be accumulated by an acquiring party for the preferred stock purchase rights to become exercisable. + References No definition available. + Details
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- Definition The number of preferred stock purchase rights for each share of the entity's common stock held by each stockholder. + References No definition available. + Details
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- Definition The value of a share of the entity's common stock allowed to be purchased for each preferred stock purchase right, expressed as a multiple of the exercise price of the right. + References No definition available. + Details
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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 + Details
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- Definition The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. + 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 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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