v3.4.0.3
Geographic and Significant Customer Information - Summary of Customer Concentrations as Percentage of Revenue and Accounts Receivable (Detail) - Customer Concentration Risk [Member]
3 Months Ended 6 Months Ended 12 Months Ended
Apr. 01, 2016
Apr. 03, 2015
Apr. 01, 2016
Apr. 03, 2015
Oct. 02, 2015
Sales Revenue, Net [Member]          
Revenue from External Customer [Line Items]          
Concentration risk, percentage 66.00% 59.00% 64.00% 58.00%  
Customer A [Member] | Sales Revenue, Net [Member]          
Revenue from External Customer [Line Items]          
Concentration risk, percentage 17.00% 5.00% 16.00% 6.00%  
Customer A [Member] | Accounts Receivable [Member]          
Revenue from External Customer [Line Items]          
Concentration risk, percentage     13.00%   14.00%
Customer B [Member] | Sales Revenue, Net [Member]          
Revenue from External Customer [Line Items]          
Concentration risk, percentage 12.00% 13.00% 12.00% 13.00%  
Customer B [Member] | Accounts Receivable [Member]          
Revenue from External Customer [Line Items]          
Concentration risk, percentage     16.00%   10.00%
Customer C [Member] | Sales Revenue, Net [Member]          
Revenue from External Customer [Line Items]          
Concentration risk, percentage 11.00% 19.00% 12.00% 21.00%  
Customer C [Member] | Accounts Receivable [Member]          
Revenue from External Customer [Line Items]          
Concentration risk, percentage     14.00%   22.00%
Customer D [Member] | Sales Revenue, Net [Member]          
Revenue from External Customer [Line Items]          
Concentration risk, percentage 10.00% 2.00% 10.00% 1.00%