Annual report pursuant to Section 13 and 15(d)

Stock-based Compensation Summary of Nonvested Options (Details)

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Stock-based Compensation Summary of Nonvested Options (Details) - $ / shares
3 Months Ended 12 Months Ended
Sep. 28, 2013
Oct. 03, 2015
Sep. 27, 2014
Jun. 29, 2013
Number of Units        
Units forfeited (shares)   (5,200)    
Restricted Stock Units and Performance Stock Units [Member] | 2010 Stock Plan [Member]        
Number of Units        
Units outstanding, beginning of fiscal year (shares) 224,870 215,352 348,852 337,700
Units granted (shares) 244,852 524,000 0 10,000
Units issued (shares) (120,870) (69,657) 0 0
Units forfeited (shares) 0 (150,895) (133,500) (122,830)
Units outstanding, end of fiscal year (shares) 348,852 518,800 215,352 224,870
Weighted average grant date fair value        
Units outstanding, beginning of fiscal year (usd per share) $ 15.37 $ 14.31 $ 14.25 $ 16.05
Units granted (usd per share) 14.25 10.81 0.00 13.66
Units issued (usd per share) 16.34 14.31 0.00 0.00
Units forfeited (usd per share) 0.00 14.26 14.16 17.10
Units outstanding, end of fiscal year (usd per share) $ 14.25 $ 10.80 $ 14.31 $ 15.37