Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans (Details)

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Employee Benefit Plans (Details) (USD $)
3 Months Ended 12 Months Ended
Sep. 28, 2013
Sep. 27, 2014
Sep. 28, 2013
Jun. 29, 2013
Compensation and Retirement Disclosure [Abstract]        
Contributions to 401(k) Plan $ 400,000 $ 1,300,000   $ 1,300,000
Discount rate used in determining the liability 6.00% 6.00% 6.00%  
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]        
Balance at beginning of year 471,000 465,000   526,000
Interest expense 0   6,000 6,000
Benefits paid (6,000)   (29,000) (62,000)
Actuarial adjustment 0   1,000 1,000
Balance at end of year $ 465,000 $ 443,000 $ 465,000 $ 471,000