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Summary Of Significant Accounting Policies (Schedule Of Goodwill) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Sep. 27, 2013
Sep. 28, 2012
Sep. 30, 2011
Goodwill [Line Items]      
Balance, Beginning Period $ 14,466 $ 14,651  
Jetboil acquisition 6,475    
Amount attributable to movements in foreign currency rates 112 (185)  
Balance, Ending Period 21,053 14,466  
Gross Goodwill 60,968 54,381 54,566
Accumulated Impairment 39,915 39,915 39,915
Marine Electronics [Member]
     
Goodwill [Line Items]      
Balance, Beginning Period 10,362 10,397  
Amount attributable to movements in foreign currency rates 5 (35)  
Balance, Ending Period 10,367 10,362  
Diving [Member]
     
Goodwill [Line Items]      
Balance, Beginning Period 4,104 4,254  
Amount attributable to movements in foreign currency rates 107 (150)  
Balance, Ending Period 4,211 4,104  
Outdoor Equipment [Member]
     
Goodwill [Line Items]      
Jetboil acquisition 6,475    
Balance, Ending Period $ 6,475