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Intangible Assets (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Mar. 31, 2016
Goodwill And Intangible Assets [Line Items]      
Amortization $ 1,880 $ 2,191  
Reduction in internal use software     $ 1,874
Customer relationships      
Goodwill And Intangible Assets [Line Items]      
Amortization of intangibles     $ 2,404