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Pension Plan (Details Narrative) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2017
Sep. 24, 2016
Sep. 26, 2015
Pension Plan Details Narrative      
Pension cost charge $ 1,788 $ 1,478 $ 1,549
Contributions payable 517 $ 438  
Estimated future contributions till September 30, 2018 $ 3,276    
Description of plan investment policy strategy

The current strategy is to hold 22% in a diversified growth fund, 12% in absolute return bonds, 15% in equity-linked bonds, 6% in a liability-driven investment fund and 45% in a buy-in policy.