DERIVATIVE FINANCIAL INSTRUMENTS - Balance Sheet Disclosures (Details) - Hedging Instrument - USD ($) $ in Thousands	Dec. 26, 2020	Jun. 27, 2020
Fair Value Hedging | Interest rate swap agreements | Other current assets
Derivative [Line Items]
Fair value of derivative assets	$ 2,678	$ 1,388
Fair Value Hedging | Interest rate swap agreements | Other assets
Derivative [Line Items]
Fair value of derivative assets	58,053	69,782
Cash flow hedging | Fuel swaps | Other current assets
Derivative [Line Items]
Fair value of derivative assets	3,428	233
Cash flow hedging | Fuel swaps | Other assets
Derivative [Line Items]
Fair value of derivative assets	0	1,173
Cash flow hedging | Fuel swaps | Other current liabilities
Derivative [Line Items]
Fair value of derivative liabilities	6,973	28,242
Cash flow hedging | Foreign currency forwards | Other current assets
Derivative [Line Items]
Fair value of derivative assets	34	1,063
Cash flow hedging | Foreign currency forwards | Other current liabilities
Derivative [Line Items]
Fair value of derivative liabilities	163	222
Cash flow hedging | Cross-currency swaps | Other assets
Derivative [Line Items]
Fair value of derivative assets	$ 0	$ 19,614