Annual report pursuant to Section 13 and 15(d)

Stock-based Compensation (Summary of Stock Option Activity) (Details)

v3.10.0.1
Stock-based Compensation (Summary of Stock Option Activity) (Details) - $ / shares
 12 Months Ended
Sep. 29, 2018
Sep. 30, 2017
2010 Stock Plan    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Outstanding at beginning of period, Shares 10,000 10,000
Granted, Shares 0 0
Exercised, Shares 0 0
Forfeited, Shares (10,000) 0
Outstanding at end of period, Shares 0 10,000
Outstanding and exercisable at end of year, Shares 0 10,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]    
Outstanding at beginning of year, Weighted Average Exercise Price (usd per share) $ 13.07 $ 13.07
Granted, Weighted Average Exercise Price (usd per share) 0.00 0.00
Exercised, Weighted Average Exercise Price (usd per share) 0.00 0.00
Forfeited, Weighted Average Exercise Price (usd per share) 13.07 0.00
Outstanding at end of year, Weighted Average Exercise Price (usd per share) 0.00 13.07
Outstanding and exercisable at end of year, Weighted Average Exercise Price (usd per share) $ 0.00 $ 13.07
Option Plan    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Outstanding at beginning of period, Shares 6,000 86,000
Exercised, Shares 0 (80,000)
Forfeited, Shares (6,000) 0
Outstanding at end of period, Shares 0 6,000
Outstanding and exercisable at end of year, Shares 0 6,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]    
Outstanding at beginning of year, Weighted Average Exercise Price (usd per share) $ 8.30 $ 8.30
Exercised, Weighted Average Exercise Price (usd per share) 0.00 8.30
Forfeited, Weighted Average Exercise Price (usd per share) 8.30 0.00
Outstanding at end of year, Weighted Average Exercise Price (usd per share) 0.00 8.30
Outstanding and exercisable at end of year, Weighted Average Exercise Price (usd per share) $ 0.00 $ 8.30