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Summary of Significant Accounting Policies (Details Narrative)
$ in Thousands
 12 Months Ended
Jun. 10, 2016
SFr / shares
shares
Dec. 30, 2017
USD ($)
Dec. 31, 2016
USD ($)
Dec. 26, 2015
USD ($)
Jun. 09, 2016
SFr / shares
Cumulative currency translation adjustments   $ 78,909 $ (9,411)    
Foreign currency losses   (22,579) (31,651) $ (23,465)  
Dividends   382,976 481,452 378,117  
Intangible assets, net   316,705 253,473    
Accumulated amortization intangible assets   193,886 173,023    
Amortization expense intangible assets   20,863 14,319 7,115  
Amortization expense intangible assets, Next twelve months   18,796      
Amortization expense intangible assets, Year two   16,293      
Amortization expense intangible assets, Year three   14,167      
Amortization expense intangible assets, Year four   10,463      
Amortization expense intangible assets, Year five   8,111      
Goodwill   286,982 224,553 187,791  
Fair value available-for-sale securities unrealized losses   (22,864) (27,350)    
Deferred revenues   303,521 286,971    
Total deferred Costs   122,162 103,546    
Deferred revenue and cost expenses, Next twelve months   91,370      
Deferred revenue and cost expenses, Year two   48,627      
Deferred revenue and cost expenses, Year three   25,340      
Deferred revenue and cost expenses, Year four   11,208      
Deferred revenue and cost expenses, Year five   4,814      
Advertising expense   164,693 177,143 167,166  
Research and development costs   $ 511,634 467,960 $ 427,043  
Number of shares cancelled | shares 10,000,000        
Decline in par value of common stock (in swiss francs per share) | SFr / shares SFr 0.10       SFr 10
Aviation Product [Member]          
Product warranty term   2 years      
State Administration of Taxation, China [Member]          
Restricted retained earnings   $ 304,674 $ 304,674    
Minimum [Member]          
Acquired intangible assets useful life   3 years      
Deferred revenues useful life   1 year      
Minimum [Member] | Other Product Other Than Aviation Product [Member]          
Product warranty term   1 year      
Maximum [Member]          
Acquired intangible assets useful life   10 years      
Deferred revenues useful life   5 years      
Maximum [Member] | Other Product Other Than Aviation Product [Member]          
Product warranty term   2 years      
Customer Concentration Risk [Member] | Net Sales [Member]          
Concentration risk net sales   10.00% 10.00% 10.00%  
Ten Customer Concentration Risk [Member] | Net Sales [Member] | Minimum [Member]          
Concentration risk net sales       22.00%  
Ten Customer Concentration Risk [Member] | Net Sales [Member] | Maximum [Member]          
Concentration risk net sales       24.00%