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Derivative Instruments - Narrative (Details)
$ in Thousands, € in Millions, £ in Millions, gal in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Jun. 28, 2019
USD ($)
Jun. 29, 2018
USD ($)
Jun. 28, 2019
USD ($)
Jun. 29, 2018
USD ($)
Sep. 28, 2018
USD ($)
Jun. 28, 2019
EUR (€)
gal
Jun. 28, 2019
USD ($)
gal
Jun. 28, 2019
GBP (£)
gal
Derivative [Line Items]                
Gain (loss) recognized in income $ 2,912 $ 1,964 $ 1,228 $ 73        
Designated as Hedging Instrument | Cash Flow Hedging                
Derivative [Line Items]                
Net tax loss expected to be reclassified from accumulated other comprehensive loss     6,300          
Not Designated as Hedging Instrument                
Derivative [Line Items]                
Gain (loss) recognized in income 798 2,673 (4,915) 5,699        
Interest rate swap agreements | Designated as Hedging Instrument                
Derivative [Line Items]                
Notional amount of derivative             $ 2,500,000  
Interest rate swap agreements | Designated as Hedging Instrument | Cash Flow Hedging                
Derivative [Line Items]                
Notional amount of derivative             $ 500,000  
Notional amount of matured hedges     575,000          
Cash flow hedge gain (loss)     (32,500)   $ 36,200      
Gain (loss) recognized in income (33,975) 12,257 (86,500) 48,825        
Gasoline and diesel fuel agreements | Not Designated as Hedging Instrument                
Derivative [Line Items]                
Non monetary notional amount of derivative (in gallons) | gal           16.3 16.3 16.3
Gain (loss) recognized in income $ 1,100 $ 100 $ 3,200 $ 300        
Foreign currency forward exchange contracts | Not Designated as Hedging Instrument                
Derivative [Line Items]                
Notional amount of derivative           € 41.0   £ 9.0