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Note 16 Plan Assets (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 29, 2018
Sep. 30, 2017
Oct. 01, 2016
UNITED STATES      
Change in Fair Value of Plan Assets [Roll Forward]      
Beginning fair value $ 16,930 $ 17,594 $ 18,646
Actual return 1,086 1,598 1,341
Employer contributions 455 120 0
Benefits paid (716) (709) (718)
Other (1) [1] (971) (1,673) (1,675)
Ending fair value 16,784 16,930 17,594
Over (under) Funded Status [Abstract]      
Underfunded status (5,802) (7,813) (10,781)
Non-U.S.      
Change in Fair Value of Plan Assets [Roll Forward]      
Beginning fair value 26,993 26,045 27,079
Actual return (8) 590 (461)
Employer contributions 710 695 607
Benefits paid (1,571) (1,499) (1,266)
Other (1) [1] (10) 1,162 86
Ending fair value 26,114 26,993 26,045
Over (under) Funded Status [Abstract]      
Underfunded status $ (24,816) $ (21,880) $ (27,611)
Cash | UNITED STATES      
Weighted Average Asset Allocations by Asset Category [Abstract]      
Target 0.00%    
Actual 0.00% 0.00%  
Cash | Non-U.S.      
Weighted Average Asset Allocations by Asset Category [Abstract]      
Target 0.00%    
Actual 3.20% 2.50%  
Level 1 | Equity securities | UNITED STATES      
Weighted Average Asset Allocations by Asset Category [Abstract]      
Target 51.00%    
Actual 51.70% 52.80%  
Level 1 | Equity securities | Non-U.S.      
Weighted Average Asset Allocations by Asset Category [Abstract]      
Target 20.00%    
Actual 27.50% 30.00%  
Level 1 | Debt securities | UNITED STATES      
Weighted Average Asset Allocations by Asset Category [Abstract]      
Target 49.00%    
Actual 48.30% 47.20%  
Level 1 | Debt securities | Non-U.S.      
Weighted Average Asset Allocations by Asset Category [Abstract]      
Target 80.00%    
Actual 69.30% 67.50%  
[1] Includes miscellaneous items such as settlements, foreign exchange rate movements, etc.