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Note 3 (Details Textual) - USD ($)
3 Months Ended
Dec. 24, 2016
Dec. 26, 2015
Depreciation $ 8,728,000 $ 8,170,000
Minimum [Member]    
Finite-Lived Intangible Asset, Useful Life 3 years  
Maximum [Member]    
Finite-Lived Intangible Asset, Useful Life 20 years