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Subsequent Event - Additional Information (Detail)
$ in Millions
3 Months Ended 6 Months Ended
Jul. 28, 2016
Employee
Sep. 30, 2016
USD ($)
Jun. 30, 2016
Subsequent Event [Line Items]      
Effective date of restructuring     Jul. 28, 2016
Scenario, Forecast [Member]      
Subsequent Event [Line Items]      
Pre-tax restructuring charges | $   $ 0.6  
Subsequent Event [Member]      
Subsequent Event [Line Items]      
Expected number of employees will be impacted by workforce reduction | Employee 26    
Expected percentage of pre-reduction headcount will be impacted by workforce reduction 13.00%