Annual report pursuant to Section 13 and 15(d)

Stock-based Compensation (Narrative) (Details)

v3.10.0.1
Stock-based Compensation (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 29, 2018
Sep. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Compensation expense recorded $ 2.6 $ 2.3
Tax benefits associated with compensation costs 0.1 $ 0.9
Unrecognized compensation cost related to non-vested awards $ 3.3  
Unrecognized compensation cost related to non-vested awards (period of recognition) 2 years 2 months 12 days  
Vest Upon Filing of 10-K for the Year Ending September 28, 2019    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Equity instruments vested in period (shares) 57,750 42,000
Vest Upon Filing of 10-K for the Year Ending September 29, 2018    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Equity instruments vested in period (shares)   42,000
Vest Upon Filing of 10-K for the Year Ending October 3, 2020    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Equity instruments vested in period (shares) 90,000 42,000
Restricted Stock Units and Performance Stock Units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Equity instruments vested in period (shares) 2,000  
Restricted Stock Units and Performance Stock Units | Junkfood | Discontinued Operations, Disposed of by Sale    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Accelerated vesting expense   $ 0.3
Performance Awards    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Awards granted in the period (shares)   126,000
Performance Awards | Junkfood | Discontinued Operations, Disposed of by Sale    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Equity instruments vested in period (shares)   5,000
Performance Awards | Vest Upon Filing of 10-K for the Year Ending September 28, 2019    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Equity instrument payable in cash (percentage) 50.00%  
Equity instrument payable in shares (percentage) 0.5  
Performance Awards | Vest Upon Filing of 10-K for the Year Ending September 30, 2017    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Equity instruments vested in period (shares) 92,068  
Equity instruments paid in common stock (shares) 72,138  
Equity instruments paid in cash (shares) 19,930  
Equity instrument payable in cash (percentage) 50.00%  
Equity instrument payable in shares (percentage) 0.5  
Performance Awards | Vest Upon Filing of 10-K for the Year Ending October 1, 2016    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Equity instruments vested in period (shares)   53,248
Equity instrument payable in cash (percentage)   50.00%
Equity instrument payable in shares (percentage)   0.5
Restricted Stock Units (RSUs) | Junkfood | Discontinued Operations, Disposed of by Sale    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Equity instruments vested in period (shares)   45,000
Equity instruments paid in common stock (shares)   42,500
Equity instruments paid in cash (shares)   2,500
Restricted Stock Units (RSUs) | Vest Upon Filing of 10-K for the Year Ending September 28, 2019    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Equity instrument payable in cash (percentage) 50.00%  
Equity instrument payable in shares (percentage) 0.5  
Restricted Stock Units (RSUs) | Vest Upon Filing of 10-K for the Year Ending September 30, 2017    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Equity instruments vested in period (shares) 54,602  
Equity instrument payable in cash (percentage) 50.00%  
Equity instrument payable in shares (percentage) 0.5  
Restricted Stock Units (RSUs) | Vest Upon Filing of 10-K for the Year Ending October 1, 2016    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Equity instruments vested in period (shares)   8,438
Equity instrument payable in cash (percentage)   50.00%
Equity instrument payable in shares (percentage)   0.5
2010 Stock Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Aggregate number of shares that may be delivered 500,000  
Options granted in the period (shares) 0 0
2010 Stock Plan | Restricted Stock Units and Performance Stock Units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Awards granted in the period (shares) 205,500 126,000
Option Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Intrinsic value of options exercised   $ 1.0
Reduction of deferred excess tax benefits   $ 0.1
Option Plan | Management    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Aggregate number of shares that may be delivered 2,000,000  
Exercise term, from dates of grant 10 years  
Option Plan | Management | Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Award vesting period 3 years  
Option Plan | Management | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Award vesting period 4 years