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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