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Derivative Instruments - Narrative (Details)
$ in Thousands, € in Millions, £ in Millions, $ in Millions
3 Months Ended 12 Months Ended
Dec. 27, 2019
USD ($)
Dec. 28, 2018
USD ($)
Sep. 27, 2019
USD ($)
Dec. 27, 2019
EUR (€)
Dec. 27, 2019
USD ($)
Dec. 27, 2019
CAD ($)
Dec. 27, 2019
GBP (£)
Derivative [Line Items]              
Gain (loss) recognized in income $ 1,700 $ (7,620)          
Designated as Hedging Instrument | Cash Flow Hedging              
Derivative [Line Items]              
Net tax loss expected to be reclassified from accumulated other comprehensive loss 10,200            
Not Designated as Hedging Instrument              
Derivative [Line Items]              
Gain (loss) recognized in income 3,900 (9,322)          
Interest rate swap agreements | Designated as Hedging Instrument              
Derivative [Line Items]              
Derivative, notional amount         $ 3,300,000    
Interest rate swap agreements | Designated as Hedging Instrument | Cash Flow Hedging              
Derivative [Line Items]              
Derivative, notional amount         800,000    
Cash flow hedge gain (loss) (24,300)   $ (31,100)        
Gain (loss) recognized in income 6,926 (31,000)          
Gasoline and diesel fuel agreements | Not Designated as Hedging Instrument              
Derivative [Line Items]              
Derivative, notional amount         $ 17,800    
Gain (loss) recognized in income $ 3,100 $ (9,200)          
Foreign currency forward exchange contracts | Not Designated as Hedging Instrument              
Derivative [Line Items]              
Derivative, notional amount       € 37.5   $ 5.0 £ 6.5