XML 42 R31.htm IDEA: XBRL DOCUMENT v3.5.0.2
Note 5 (Details Textual) - USD ($)
3 Months Ended 9 Months Ended
Jun. 25, 2016
Mar. 26, 2016
Dec. 26, 2015
Jun. 25, 2016
Jun. 27, 2015
Scenario, Previously Reported [Member]          
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense     $ 175,000    
Early Adoption of ASU 2016-09 [Member] | Employee Stock Option [Member] | First Quarter of Fiscal Year 2016 [Member]          
Prior Period Reclassification Adjustment     499,000    
Employee Stock Option [Member]          
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense $ 163,000 $ 89,000      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate       15.90%  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate       1.20%  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate       1.40%  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term       5 years  
Five Year Options [Member]          
Share Based Compensation Arrangement by Share Based Payment Award Fair Value Assumptions Volatility Calculation Term       4 years 30 days  
Ten Year Options [Member]          
Share Based Compensation Arrangement by Share Based Payment Award Fair Value Assumptions Volatility Calculation Term       10 years  
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense     $ 674,000    
Anticipated ShareBased Compensation Net Of Tax Benefits       $ 800,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross       159,170 148,840
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value       $ 13.94 $ 15.23