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Derivative Instruments - Additional Information (Detail) | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2017 USD ($) | Mar. 31, 2017 USD ($) | Mar. 31, 2017 JPY (¥) | Jun. 30, 2016 USD ($)
Minimum |  |  |  |
Derivative [Line Items] |  |  |  |
Foreign currency forward exchange contracts, expiration date |  | 2017-04 |  |
Maximum |  |  |  |
Derivative [Line Items] |  |  |  |
Foreign currency forward exchange contracts, expiration date |  | 2017-07 |  |
Foreign Currency Forward Exchange Contracts |  |  |  |
Derivative [Line Items] |  |  |  |
Foreign currency forward exchange contracts, notional amount | $ 7,900,000 | $ 7,900,000 |  | $ 9,200,000
Foreign currency forward exchange contracts, increase (decrease) in fair value | (1,300,000) | 400,000 |  |
Foreign Currency Forward Exchange Contracts | Minimum |  |  |  |
Derivative [Line Items] |  |  |  |
Foreign currency forward exchange contracts, notional amount | ¥ |  |  | ¥ 100,000,000 |
Foreign Currency Forward Exchange Contracts | Maximum |  |  |  |
Derivative [Line Items] |  |  |  |
Foreign currency forward exchange contracts, notional amount | ¥ |  |  | ¥ 400,000,000 |
Foreign Currency Forward Exchange Contracts | Chinese Renminbi |  |  |  |
Derivative [Line Items] |  |  |  |
Foreign currency forward exchange contracts, notional amount | $ 50,000,000 | $ 50,000,000 |  |
Foreign currency forward exchange contracts, maturity date |  | Mar. 31, 2017 |  |
Gain on expiration of foreign currency forward exchange contracts |  | $ 300,000 |  |

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