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Share Plans (Schedule of Performance Share Unit Activity) (Details) - Performance Shares - $ / shares
12 Months Ended
Sep. 25, 2015
Sep. 26, 2014
Sep. 27, 2013
Performance Share Unit Activity [Roll Forward]      
Beginning balance [1] 72,740 0  
Granted [1] 77,306 79,230  
Performance metric adjustment [1] 0 0  
Vested [1] 0 0  
Forfeited [1] (19,072) (6,490)  
Ending balance [1] 130,974 72,740  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]      
Weighted-average grant date fair value, restricted share units $ 96.05 $ 63.46 $ 0.00
Weighted-average grant date fair value, granted restricted share units 125.84 63.40  
Weighted-average grand date fair value, performance metric adjustment 0.00 0.00  
Weighted-average grant date fair value, vested restricted share units 0.00 0.00  
Weighted-average grant date fair value, forfeited restricted share units $ 92.05 $ 62.65  
[1] The number of shares disclosed within this table are at the target number of 100%.