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Financial Instruments - Narrative (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Nov. 30, 2019
Sep. 30, 2019
Sep. 26, 2021
Sep. 26, 2021
Sep. 27, 2020
Dec. 27, 2020
Debt Instrument [Line Items]            
Debt extinguishment costs       $ 9,100,000 $ 0  
Current portion of long-term debt     $ 187,600,000 $ 187,600,000 $ 369,300,000 $ 432,600,000
Production financing facilities, term (less than)       2 years    
Production financing loan, weighted average interest rate     2.90% 2.90%    
Senior Notes            
Debt Instrument [Line Items]            
Aggregate principal amount $ 2,400,000,000          
Underwriting discount and fees 20,000,000.0          
Net proceeds after deduction of underwriting discount and fees $ 2,400,000,000          
Redemption price (as a percent) 100.00%          
Senior Notes | Minimum            
Debt Instrument [Line Items]            
Term of loan facility 5 years          
Upward adjustment if credit rating is reduced (as a percent) 0.25%          
Senior Notes | Maximum            
Debt Instrument [Line Items]            
Term of loan facility 10 years          
Upward adjustment if credit rating is reduced (as a percent) 2.00%          
2.60% Notes Due 2022            
Debt Instrument [Line Items]            
Aggregate principal amount     $ 300,000,000.0 $ 300,000,000.0    
Debt stated interest rate     2.60% 2.60%    
2.60% Notes Due 2022 | Senior Notes            
Debt Instrument [Line Items]            
Aggregate principal amount $ 300,000,000.0          
Debt stated interest rate 2.60%          
Debt extinguishment costs     $ 9,100,000      
3.00% Notes Due 2024            
Debt Instrument [Line Items]            
Debt stated interest rate     3.00% 3.00%    
3.00% Notes Due 2024 | Senior Notes            
Debt Instrument [Line Items]            
Aggregate principal amount $ 500,000,000.0          
Debt stated interest rate 3.00%          
3.00% Notes Due 2024 | Senior Notes | US Treasury (UST) Interest Rate            
Debt Instrument [Line Items]            
Basis spread on variable rate (as a percent) 0.25%          
3.55% Notes Due 2026            
Debt Instrument [Line Items]            
Debt stated interest rate     3.55% 3.55%    
3.55% Notes Due 2026 | Senior Notes            
Debt Instrument [Line Items]            
Aggregate principal amount $ 675,000,000.0          
Debt stated interest rate 3.55%          
3.55% Notes Due 2026 | Senior Notes | US Treasury (UST) Interest Rate            
Debt Instrument [Line Items]            
Basis spread on variable rate (as a percent) 0.30%          
3.90% Notes Due 2029            
Debt Instrument [Line Items]            
Debt stated interest rate     3.90% 3.90%    
3.90% Notes Due 2029 | Senior Notes            
Debt Instrument [Line Items]            
Aggregate principal amount $ 900,000,000.0          
Debt stated interest rate 3.90%          
3.90% Notes Due 2029 | Senior Notes | US Treasury (UST) Interest Rate            
Debt Instrument [Line Items]            
Basis spread on variable rate (as a percent) 0.35%          
Term Loan Agreement | Unsecured Debt            
Debt Instrument [Line Items]            
Aggregate principal amount           1,000,000,000
Repayments of unsecured debt       $ 372,500,000   122,500,000
Consolidated interest coverage ratio   3.00        
Consolidated total leverage ratio   3.50        
Term Loan Agreement | Unsecured Debt | Minimum            
Debt Instrument [Line Items]            
Consolidated total leverage ratio   5.40        
Term Loan Agreement | Unsecured Debt | Maximum            
Debt Instrument [Line Items]            
Consolidated total leverage ratio   5.65        
Three-Year Term Loan Facility | Unsecured Debt            
Debt Instrument [Line Items]            
Aggregate principal amount   $ 400,000,000.0        
Term of loan facility   3 years        
Repayments of unsecured debt       300,000,000.0   100,000,000.0
Five-Year Term Loan Facility | Unsecured Debt            
Debt Instrument [Line Items]            
Aggregate principal amount   $ 600,000,000.0        
Term of loan facility   5 years        
Repayments of unsecured debt       22,500,000   $ 22,500,000
Repayments of unsecured debt, principal       $ 50,000,000.0    
Five-Year Term Loan Facility | Unsecured Debt | Debt Instrument, Redemption, Period One            
Debt Instrument [Line Items]            
Debt stated interest rate   5.00%        
Term of loan facility   2 years        
Five-Year Term Loan Facility | Unsecured Debt | Debt Instrument, Redemption, Period Two            
Debt Instrument [Line Items]            
Debt stated interest rate   10.00%        
Five-Year Term Loan Facility | Unsecured Debt | Minimum | Eurocurrency Rate            
Debt Instrument [Line Items]            
Basis spread on variable rate (as a percent)   1.00%        
Five-Year Term Loan Facility | Unsecured Debt | Minimum | Base Rate            
Debt Instrument [Line Items]            
Basis spread on variable rate (as a percent)   0.00%        
Five-Year Term Loan Facility | Unsecured Debt | Maximum | Eurocurrency Rate            
Debt Instrument [Line Items]            
Basis spread on variable rate (as a percent)   1.875%        
Five-Year Term Loan Facility | Unsecured Debt | Maximum | Base Rate            
Debt Instrument [Line Items]            
Basis spread on variable rate (as a percent)   0.875%