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Significant Accounting Policies Significant Accounting Policies (Recently Issued and Adopted Accounting Standards) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 30, 2018
Dec. 28, 2019
Dec. 29, 2018
Dec. 30, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Operating lease right-of-use assets   $ 288,166    
Lease impairment loss $ 43,000 7,900    
Operating lease liability   357,527    
Cost of sales   1,118,274 $ 1,201,351 $ 1,429,324
Accounting Standards Update 2016-02        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Operating lease right-of-use assets 327,300   $ 370,300  
Operating lease liability 390,600      
Purchase of noncontrolling interest shares (29,468)      
Retained Earnings | Accounting Standards Update 2016-02        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Purchase of noncontrolling interest shares $ (29,468)      
Amount reclassified from AOCI | Forward contracts | Cash flow hedges        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Cost of sales   $ 9,900