Annual report pursuant to Section 13 and 15(d)

Significant Accounting Policies Concentrations (Details)

v3.10.0.1
Significant Accounting Policies Concentrations (Details)
12 Months Ended
Sep. 30, 2018
Sep. 24, 2017
Sep. 25, 2016
Customer/licensee one [Member] | Customer Concentration Risk [Member] | Revenue [Member]      
Concentration Risk [Line Items]      
Percentage of total 11.00% 18.00% 24.00%
Customer/licensee three [Member] | Customer Concentration Risk [Member] | Revenue [Member]      
Concentration Risk [Line Items]      
Percentage of total 11.00%    
Customer/licensee two [Member] | Customer Concentration Risk [Member] | Revenue [Member]      
Concentration Risk [Line Items]      
Percentage of total 16.00% 17.00% 16.00%
Largest Customers [Member] | Credit Concentration Risk [Member] | Accounts Receivable [Member]      
Concentration Risk [Line Items]      
Percentage of total 37.00% 28.00%