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Income Taxes (Summary Of Operating Loss Carryforwards) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Sep. 28, 2012
Operating Loss Carryforwards [Line Items]  
Net Operating Loss Carry Forwards 43,253
State [Member]
 
Operating Loss Carryforwards [Line Items]  
Net Operating Loss Carry Forwards 25,820
United States [Member]
 
Operating Loss Carryforwards [Line Items]  
Net Operating Loss Carry Forwards   
Foreign [Member]
 
Operating Loss Carryforwards [Line Items]  
Net Operating Loss Carry Forwards 17,433
2013-2017 [Member]
 
Operating Loss Carryforwards [Line Items]  
Net Operating Loss Carry Forwards 18,324
2013-2017 [Member] | State [Member]
 
Operating Loss Carryforwards [Line Items]  
Net Operating Loss Carry Forwards 15,606
2013-2017 [Member] | United States [Member]
 
Operating Loss Carryforwards [Line Items]  
Net Operating Loss Carry Forwards   
2013-2017 [Member] | Foreign [Member]
 
Operating Loss Carryforwards [Line Items]  
Net Operating Loss Carry Forwards 2,718
2018-2022 [Member]
 
Operating Loss Carryforwards [Line Items]  
Net Operating Loss Carry Forwards 464
2018-2022 [Member] | State [Member]
 
Operating Loss Carryforwards [Line Items]  
Net Operating Loss Carry Forwards 205
2018-2022 [Member] | United States [Member]
 
Operating Loss Carryforwards [Line Items]  
Net Operating Loss Carry Forwards   
2018-2022 [Member] | Foreign [Member]
 
Operating Loss Carryforwards [Line Items]  
Net Operating Loss Carry Forwards 259
2023-2027 [Member]
 
Operating Loss Carryforwards [Line Items]  
Net Operating Loss Carry Forwards 6,804
2023-2027 [Member] | State [Member]
 
Operating Loss Carryforwards [Line Items]  
Net Operating Loss Carry Forwards 5,865
2023-2027 [Member] | United States [Member]
 
Operating Loss Carryforwards [Line Items]  
Net Operating Loss Carry Forwards   
2023-2027 [Member] | Foreign [Member]
 
Operating Loss Carryforwards [Line Items]  
Net Operating Loss Carry Forwards 939
2028-2032 [Member]
 
Operating Loss Carryforwards [Line Items]  
Net Operating Loss Carry Forwards 5,815
2028-2032 [Member] | State [Member]
 
Operating Loss Carryforwards [Line Items]  
Net Operating Loss Carry Forwards 4,144
2028-2032 [Member] | United States [Member]
 
Operating Loss Carryforwards [Line Items]  
Net Operating Loss Carry Forwards   
2028-2032 [Member] | Foreign [Member]
 
Operating Loss Carryforwards [Line Items]  
Net Operating Loss Carry Forwards 1,671
Indefinite [Member]
 
Operating Loss Carryforwards [Line Items]  
Net Operating Loss Carry Forwards 11,846
Indefinite [Member] | United States [Member]
 
Operating Loss Carryforwards [Line Items]  
Net Operating Loss Carry Forwards   
Indefinite [Member] | Foreign [Member]
 
Operating Loss Carryforwards [Line Items]  
Net Operating Loss Carry Forwards 11,846
Minimum [Member] | 2013-2017 [Member]
 
Operating Loss Carryforwards [Line Items]  
Operating Loss Carryforward Expiration 2013
Minimum [Member] | 2018-2022 [Member]
 
Operating Loss Carryforwards [Line Items]  
Operating Loss Carryforward Expiration 2018
Minimum [Member] | 2023-2027 [Member]
 
Operating Loss Carryforwards [Line Items]  
Operating Loss Carryforward Expiration 2023
Minimum [Member] | 2028-2032 [Member]
 
Operating Loss Carryforwards [Line Items]  
Operating Loss Carryforward Expiration 2028
Maximum [Member] | 2013-2017 [Member]
 
Operating Loss Carryforwards [Line Items]  
Operating Loss Carryforward Expiration 2017
Maximum [Member] | 2018-2022 [Member]
 
Operating Loss Carryforwards [Line Items]  
Operating Loss Carryforward Expiration 2022
Maximum [Member] | 2023-2027 [Member]
 
Operating Loss Carryforwards [Line Items]  
Operating Loss Carryforward Expiration 2027
Maximum [Member] | 2028-2032 [Member]
 
Operating Loss Carryforwards [Line Items]  
Operating Loss Carryforward Expiration 2032