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Acquisitions and Other Investments - Decillion - Additional Information (Detail)
$ in Thousands, $ in Millions
9 Months Ended
Aug. 14, 2017
SGD ($)
Installment
Aug. 14, 2017
USD ($)
Installment
Mar. 31, 2018
USD ($)
Aug. 14, 2017
USD ($)
Jun. 30, 2017
USD ($)
Business Acquisition [Line Items]          
Goodwill     $ 205,362   $ 194,700
Acquisition expenses     900    
Decillion Solutions Pte Ltd [Member]          
Business Acquisition [Line Items]          
Payments to acquire business $ 6.2 $ 4,600      
Cash paid for acquisition   $ 2,800      
Note payable $ 2.5     $ 1,800  
Note payable, number of installments | Installment 10 10      
Goodwill     1,300    
Identifiable intangible assets     $ 2,400    
Estimated useful life of intangible assets acquired 12 years 12 years