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STOCK-BASED COMPENSATION (Details 2) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2013
Restricted stock and RSU |  |  |
Weighted-Average Fair Value |  |  |
Number of shares available for grant reduced for each award granted | 1.87 |  |
Number of shares available for grant increased for each award forfeited and returned | 1.87 |  |
Performance-based restricted stock units |  |  |
Shares |  |  |
Granted (in shares) | 151,469 | 160,922 | 178,500
OSI Plans | Stock Options |  |  |
Stock-based compensation |  |  |
Vesting period | 3 years |  |
Weighted average assumptions used to determine the fair value calculations for stock options issued |  |  |
Expected dividend (as percent) | 0.00% | 0.00% | 0.00%
Risk-free interest rate (as percent) | 1.50% | 1.30% | 0.60%
Expected volatility (as percent) | 31.00% | 33.00% | 33.00%
Expected holding period | 4 years 6 months | 4 years 6 months | 4 years 3 months 18 days
Number of Options |  |  |
Outstanding at the beginning of the period (in shares) | 1,022,991 | 1,019,733 | 1,059,397
Granted (in shares) | 45,104 | 10,294 | 90,234
Exercised (in shares) | (38,907) | (1,169) | (117,705)
Expired or forfeited (in shares) | (16,538) | (5,867) | (12,193)
Outstanding at the end of the period (in shares) | 1,012,650 | 1,022,991 | 1,019,733
Exercisable at the end of the period (in shares) | 947,575 |  |
Weighted-Average Exercise Price |  |  |
Outstanding at the beginning of the period (in dollars per share) | $ 26.60 | $ 26.33 | $ 23.01
Granted (in dollars per share) | 68.05 | 70.59 | 55.37
Exercised (in dollars per share) | 41.20 | 39.97 | 15.59
Expired or forfeited (in dollars per share) | 62.20 | 54.06 | 56.36
Outstanding at the end of the period (in dollars per share) | 27.30 | 26.60 | 26.33
Exercisable at the end of the period (in dollars per share) | $ 24.80 |  |
Weighted-Average Remaining Contractual Term |  |  |
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2 | 4 years 9 months 18 days |  |
Exercisable at the end of the period | 4 years 6 months |  |
Aggregate Intrinsic Value |  |  |
Outstanding at the end of the period | $ 44,041 |  |
Exercisable at the end of the period | $ 43,577 |  |
Stock-based compensation, other disclosures |  |  |
Weighted-average grant-date fair value of stock options (in dollars per share) | $ 19.26 | $ 20.78 | $ 15.33
Total intrinsic value of options exercised | $ 1,108,900 |  |
OSI Plans | Nonqualified options | Minimum | Any person who owned more than 10% of the voting power of all classes of stock |  |  |
Stock-based compensation |  |  |
Percentage of voting power owned | 10.00% |  |
Purchase price expressed as a percentage of the fair market value of the Company's common stock on the date of grant | 110.00% |  |
OSI Plans | Incentive stock options | Minimum | Any person who owned more than 10% of the voting power of all classes of stock |  |  |
Stock-based compensation |  |  |
Percentage of voting power owned | 10.00% |  |
Purchase price expressed as a percentage of the fair market value of the Company's common stock on the date of grant | 110.00% |  |
OSI Plans | Restricted stock and RSU |  |  |
Shares |  |  |
Nonvested at the beginning of the period (in shares) | 661,400 | 627,124 | 580,468
Granted (in shares) | 281,163 | 322,275 | 296,334
Vested (in shares) | (262,221) | (283,091) | (236,070)
Forfeited (in shares) | (20,436) | (4,908) | (13,608)
Nonvested at the end of the period (in shares) | 659,906 | 661,400 | 627,124
Weighted-Average Fair Value |  |  |
Nonvested at the beginning of the period (in dollars per share) | $ 54.78 | $ 43.13 | $ 28.93
Granted (in dollars per share) | 64.68 | 63.73 | 57.29
Vested (in dollars per share) | 42.75 | 39.40 | 25.83
Forfeited (in dollars per share) | 55.62 | 49.22 | 43.03
Nonvested at the end of the period (in dollars per share) | $ 63.75 | $ 54.78 | $ 43.13
Total fair value of shares vested | $ 11,200 | $ 11,200 | $ 6,100
OSI Plans | Restricted stock and RSU | Minimum |  |  |
Stock-based compensation |  |  |
Vesting period | 3 years |  |
OSI Plans | Restricted stock and RSU | Maximum |  |  |
Stock-based compensation |  |  |
Vesting period | 4 years |  |
OSI Plans | Performance-based restricted stock units | Minimum |  |  |
Weighted-Average Fair Value |  |  |
Payout as a percentage of the original number of shares awarded or units awarded, which are converted into shares of the Company's common stock | 0.00% |  |
OSI Plans | Performance-based restricted stock units | Maximum |  |  |
Weighted-Average Fair Value |  |  |
Payout as a percentage of the original number of shares awarded or units awarded, which are converted into shares of the Company's common stock | 250.00% |  |
2012 Plan |  |  |
Stock-based compensation |  |  |
Securities available for grant | 3,020,206 |  |
Employee Stock Purchase Plan |  |  |
Stock-based compensation |  |  |
Shares purchased | 65,706 | 29,185 | 85,056
Securities available for grant | 953,494 |  |
Employee Stock Purchase Plan | Maximum |  |  |
Stock-based compensation |  |  |
Discount rate for eligible employees to purchase common stock (as a percent) | 15.00% |  |
2006 Plan |  |  |
Stock-based compensation |  |  |
Number of awards issued (in shares) | 0 |  |

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- Definition The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. + 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 (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. + 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 (d)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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