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Note 13 (Details) - Changes to the Components of Other Comprehensive Loss (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended
Mar. 29, 2014
Mar. 30, 2013
Mar. 29, 2014
Mar. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning Balance $ (5,561) $ (3,237) $ (5,930) $ (3,132)
Other comprehensive income (loss) before reclassifications 742 736 850 631
Amounts reclassified from accumulated other comprehensive income 42   303  
Ending Balance (4,777) (2,501) (4,777) (2,501)
Accumulated Translation Adjustment [Member]
        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning Balance (3,807) (3,255) (3,703) (3,132)
Other comprehensive income (loss) before reclassifications (172) 570 (276) 447
Ending Balance (3,979) (2,685) (3,979) (2,685)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning Balance (1,754) 18 (2,227)  
Other comprehensive income (loss) before reclassifications 914 166 1,126 184
Amounts reclassified from accumulated other comprehensive income 42   303  
Ending Balance $ (798) $ 184 $ (798) $ 184