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Fair Value - Additional Information (Detail) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Mar. 31, 2016 | Mar. 31, 2015 | Jun. 30, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Transfer amount of assets or liabilities of level one | $ 0 | $ 0 | $ 0 | $ 0 |
Transfer amount of assets or liabilities of level two | 0 | 0 | 0 | 0 |
Transfer amount of assets or liabilities of level three | 0 | $ 0 | 0 | $ 0 |
Pacinian [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Additional consideration paid to former stockholders based on sales of products, due | 10,000,000 |  | 10,000,000 |  |
Forward Contracts [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Foreign currency forward contracts outstanding amount | $ 0 |  | $ 0 |  |
Prepaid Expenses and Other Current Assets [Member] | Auction Rate Securities [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Current Portion of Investments |  |  |  |  | $ 600,000

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