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Income Taxes (Summary Of Operating Loss Carryforwards) (Details)
$ in Thousands
12 Months Ended
Oct. 02, 2015
USD ($)
Operating Loss Carryforwards [Line Items]  
Net operating loss carry forwards $ 49,142
State [Member]  
Operating Loss Carryforwards [Line Items]  
Net operating loss carry forwards 36,431
Foreign [Member]  
Operating Loss Carryforwards [Line Items]  
Net operating loss carry forwards 12,711
2016-2020 [Member]  
Operating Loss Carryforwards [Line Items]  
Net operating loss carry forwards 3,620
2016-2020 [Member] | State [Member]  
Operating Loss Carryforwards [Line Items]  
Net operating loss carry forwards 1,357
2016-2020 [Member] | Foreign [Member]  
Operating Loss Carryforwards [Line Items]  
Net operating loss carry forwards $ 2,263
2016-2020 [Member] | Minimum [Member]  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards expiration Dec. 31, 2016
2016-2020 [Member] | Maximum [Member]  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards expiration Dec. 31, 2020
2021-2025 [Member]  
Operating Loss Carryforwards [Line Items]  
Net operating loss carry forwards $ 6,530
2021-2025 [Member] | State [Member]  
Operating Loss Carryforwards [Line Items]  
Net operating loss carry forwards 3,232
2021-2025 [Member] | Foreign [Member]  
Operating Loss Carryforwards [Line Items]  
Net operating loss carry forwards $ 3,298
2021-2025 [Member] | Minimum [Member]  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards expiration Dec. 31, 2021
2021-2025 [Member] | Maximum [Member]  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards expiration Dec. 31, 2025
2026-2030 [Member]  
Operating Loss Carryforwards [Line Items]  
Net operating loss carry forwards $ 30,149
2026-2030 [Member] | State [Member]  
Operating Loss Carryforwards [Line Items]  
Net operating loss carry forwards $ 30,149
2026-2030 [Member] | Minimum [Member]  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards expiration Dec. 31, 2026
2026-2030 [Member] | Maximum [Member]  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards expiration Dec. 31, 2030
2031-2035 [Member]  
Operating Loss Carryforwards [Line Items]  
Net operating loss carry forwards $ 1,693
2031-2035 [Member] | State [Member]  
Operating Loss Carryforwards [Line Items]  
Net operating loss carry forwards $ 1,693
2031-2035 [Member] | Minimum [Member]  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards expiration Dec. 31, 2031
2031-2035 [Member] | Maximum [Member]  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards expiration Dec. 31, 2035
Indefinite [Member]  
Operating Loss Carryforwards [Line Items]  
Net operating loss carry forwards $ 7,150
Indefinite [Member] | Foreign [Member]  
Operating Loss Carryforwards [Line Items]  
Net operating loss carry forwards $ 7,150