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STOCK BASED COMPENSATION - Additional Information (Details) (USD $) | 12 Months Ended |  | 1 Months Ended |  | 12 Months Ended
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Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2014 Stock options | Jun. 30, 2013 Stock options | Jun. 30, 2012 Stock options | Jun. 30, 2014 Restricted stock units | Jun. 30, 2013 Restricted stock units | Jun. 30, 2012 Restricted stock units | Jun. 30, 2014 2010 Plan | Feb. 28, 2005 2005 Plan | Jun. 30, 2014 2005 Plan | Jun. 30, 2014 Minimum 2010 Plan Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Authorized number of shares |  |  |  |  |  |  |  |  |  | 8,000,000 |  |  |
Option price as percentage of fair market value on the date of grant |  |  |  |  |  |  |  |  |  |  |  |  | 100.00%
Additional awards that may be granted (in shares) |  |  |  |  |  |  |  |  |  |  |  | 0 |
Vesting percentage on first anniversary of grant date |  |  |  |  |  |  |  |  |  |  | 25.00% |  |
Vesting period |  |  |  |  |  |  |  |  |  |  | 3 years |  |
Award expiration period |  |  |  |  |  |  |  |  |  |  | 10 years |  |
Authorized shares available for future issuance | 9,918,184 |  |  |  |  |  |  |  |  |  |  |  |
Aggregate intrinsic value of options exercised |  |  |  | $ 30,500,000 | $ 3,400,000 | $ 48,600,000 |  |  |  |  |  |  |
Unrecognized compensation costs |  |  |  | 2,000,000 |  |  | 9,600,000 |  |  |  |  |  |
Weighted-average period for recognition |  |  |  | 2 years 2 months 0 days |  |  | 3 years 2 months |  |  |  |  |  |
Proceeds from exercise of stock options | 2,090,000 | 635,000 | 811,000 |  |  |  |  |  |  |  |  |  |
Intrinsic value of award |  |  |  |  |  |  | $ 6,100,000 | $ 1,000,000 | $ 3,500,000 |  |  |  |
Total intrinsic value of all awards outstanding |  |  |  |  |  |  | $ 24,800,000 |  |  |  |  |  |

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- Definition Aggregate number of common shares reserved for future issuance. + 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) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (a)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + 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 (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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