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Income Taxes - Additional Information (Detail) (USD $) | 12 Months Ended |  |  |
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Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 Psynova | Jun. 30, 2014 Crescendo Biosciences, Inc. | Feb. 28, 2014 Crescendo Biosciences, Inc. | Jun. 30, 2014 Utah | Jun. 30, 2014 Utah Prior to the adoption of Statement 123(R) | Jun. 30, 2014 Foreign (various jurisdictions)
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Amount of valuation allowance increased | $ 33,202,000 | $ 1,605,000 |  | $ 29,760,000 |  |  |  | $ 3,442,000
Excess tax benefits realized | 7,122,000 | 7,888,000 |  |  |  |  |  |
Excess tax benefits attributable to deferred tax asset | 76,986,000 | 8,336,000 |  |  | 70,048,000 | 92,557,000 | 3,008,000 |
Remaining excess tax benefits not included in deferred tax assets |  |  |  |  |  | 137,343,000 |  |
Valuation allowance to offset foreign and miscellaneous state net operating loss carry-forwards | 3,786,000 |  |  |  |  |  |  |
Taxable loss of disposition of asset |  |  | 15,200,000 |  |  |  |  |
Cumulative effect | $ 0 |  |  |  |  |  |  |
Income tax returns examination | The Company's New York State income tax returns for the years ended June 30, 2011, 2012 and 2013 were under examination by the New York State Department of Taxation and Finance. |  |  |  |  |  |  |

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