Quarterly report pursuant to Section 13 or 15(d)

Segment and Geographic Information (Detail)

v3.6.0.2
Segment and Geographic Information (Detail) - segment
3 Months Ended 9 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Segment Reporting Information [Line Items]        
Number of operating segments     3  
Number of reportable segments     2  
Sales | Customer A        
Segment Reporting Information [Line Items]        
Concentrations of credit risk, percentage 16.20% 1.90% 13.40% 1.60%
Sales | Customer B        
Segment Reporting Information [Line Items]        
Concentrations of credit risk, percentage 13.90% 9.30% 11.40% 8.70%
Sales | Customer C        
Segment Reporting Information [Line Items]        
Concentrations of credit risk, percentage 16.20% 22.00% 23.70% 26.60%