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Summary of Significant Accounting Policies - Additional Information (Details)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 26, 2020
USD ($)
Customer
$ / shares
Dec. 28, 2019
USD ($)
Customer
$ / shares
Dec. 29, 2018
USD ($)
Customer
$ / shares
Jun. 05, 2020
$ / shares
Jun. 07, 2019
$ / shares
Jun. 08, 2018
$ / shares
Summary Of Significant Accounting Policies [Line Items]            
Cumulative currency translation adjustments $ 162,953 $ 55,289        
Foreign currency gains (losses) 2,825 (16,799) $ (7,616)      
Intangible assets, net 523,990 432,296        
Accumulated amortization intangible assets 279,633 239,776        
Amortization expense intangible assets 34,797 26,225 21,796      
Amortization expense intangible assets, Next twelve months 33,371          
Amortization expense intangible assets, Year two 30,255          
Amortization expense intangible assets, Year three 28,309          
Amortization expense intangible assets, Year four 26,357          
Amortization expense intangible assets, Year five 23,941          
Goodwill $ 584,210 $ 467,108 $ 301,017      
Dividend payable per share | $ / shares       $ 2.44 $ 2.28 $ 2.12
Dividend paid | $ / shares $ 1.22 $ 1.14 $ 1.06      
Dividends $ 450,631 $ 417,264 $ 296,148      
Fair value available-for-sale securities unrealized gains (losses) $ 20,474 585        
Payment due period for shipment of product 90 days          
Deferred revenues $ 136,799 161,891        
Deferred costs [1] 36,655 48,598 57,935      
Advertising expense 151,166 164,456 155,394      
Research and development costs 705,685 605,366 567,805      
Capitalized costs $ 63,610 24,267        
ASU 2016-13 [Member]            
Summary Of Significant Accounting Policies [Line Items]            
Change in accounting principle, accounting standards update, Adopted true          
Change in accounting principle, accounting standards update, Immaterial Effect true          
ASU 2017-08 [Member]            
Summary Of Significant Accounting Policies [Line Items]            
Change in accounting principle, accounting standards update, Adopted true          
Change in accounting principle, accounting standards update, Immaterial Effect true          
Other Product Other Than Aviation Product [Member]            
Summary Of Significant Accounting Policies [Line Items]            
Product warranty term 2 years          
State Administration of Taxation, China [Member]            
Summary Of Significant Accounting Policies [Line Items]            
Restricted retained earnings $ 61,129 61,129        
Auto PND [Member]            
Summary Of Significant Accounting Policies [Line Items]            
Goodwill $ 80,000          
Estimated life of product 3 years          
Minimum [Member]            
Summary Of Significant Accounting Policies [Line Items]            
Acquired intangible assets useful life 3 years          
Operating lease term, remaining 1 year          
Advertising expense $ 151,166 $ 164,456 $ 155,394      
Minimum [Member] | Other Products [Member]            
Summary Of Significant Accounting Policies [Line Items]            
Contractual service period 1 year          
Minimum [Member] | Other Product Other Than Aviation Product [Member]            
Summary Of Significant Accounting Policies [Line Items]            
Product warranty term 1 year          
Minimum [Member] | Auto OEM [Member]            
Summary Of Significant Accounting Policies [Line Items]            
Estimated map care period 3 years          
Maximum [Member]            
Summary Of Significant Accounting Policies [Line Items]            
Acquired intangible assets useful life 10 years          
Operating lease term, remaining 33 years          
Maximum [Member] | Other Products [Member]            
Summary Of Significant Accounting Policies [Line Items]            
Contractual service period 3 years          
Maximum [Member] | Other Product Other Than Aviation Product [Member]            
Summary Of Significant Accounting Policies [Line Items]            
Product warranty term 2 years          
Maximum [Member] | Auto OEM [Member]            
Summary Of Significant Accounting Policies [Line Items]            
Estimated map care period 10 years          
Customer Concentration Risk [Member] | Net Sales [Member]            
Summary Of Significant Accounting Policies [Line Items]            
Number of customers contributed more than or equal to 10% of net sales | Customer 0 0 0      
Customer Concentration Risk [Member] | Net Sales [Member] | Minimum [Member]            
Summary Of Significant Accounting Policies [Line Items]            
Concentration risk net sales     20.00%      
Ten Customer Concentration Risk [Member] | Net Sales [Member] | Maximum [Member]            
Summary Of Significant Accounting Policies [Line Items]            
Concentration risk net sales     23.00%      
[1] Deferred costs are comprised of both Deferred costs and Noncurrent deferred costs per the Consolidated Balance Sheets