FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands	Jul. 01, 2017	Jul. 02, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value of total debt	$ 8,194,890	$ 7,435,402
Not Designated as Hedging Instrument
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of total debt	8,600,000	7,900,000
Carrying value of total debt	8,200,000	7,400,000
Recurring Fair Value Measurements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	288,384	677,500
Total assets at fair value	289,808	714,305
Total liabilities at fair value	45,988
Recurring Fair Value Measurements | Other assets | Interest rate swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative assets	707	36,805
Recurring Fair Value Measurements | Other assets | Fuel swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative assets	717
Recurring Fair Value Measurements | Other current liabilities | Fuel swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative liabilities	6,160
Recurring Fair Value Measurements | Other long-term investments | Interest rate swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative liabilities	21,390
Recurring Fair Value Measurements | Other long-term investments | Cross-currency swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative liabilities	5,816
Recurring Fair Value Measurements | Other long-term investments | Foreign currency swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative liabilities	12,308
Recurring Fair Value Measurements | Other long-term investments | Foreign currency forwards
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative liabilities	154
Recurring Fair Value Measurements | Other long-term investments | Fuel swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative liabilities	160
Recurring Fair Value Measurements | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	238,954	634,230
Total assets at fair value	238,954	634,230
Total liabilities at fair value	0
Recurring Fair Value Measurements | Level 1 | Other assets | Interest rate swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative assets	0	0
Recurring Fair Value Measurements | Level 1 | Other assets | Fuel swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative assets	0
Recurring Fair Value Measurements | Level 1 | Other current liabilities | Fuel swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative liabilities	0
Recurring Fair Value Measurements | Level 1 | Other long-term investments | Interest rate swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative liabilities	0
Recurring Fair Value Measurements | Level 1 | Other long-term investments | Foreign currency swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative liabilities	0
Recurring Fair Value Measurements | Level 1 | Other long-term investments | Foreign currency forwards
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative liabilities	0
Recurring Fair Value Measurements | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	49,430	43,270
Total assets at fair value	50,854	80,075
Total liabilities at fair value	45,988
Recurring Fair Value Measurements | Level 2 | Other assets | Interest rate swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative assets	707	36,805
Recurring Fair Value Measurements | Level 2 | Other assets | Fuel swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative assets	717
Recurring Fair Value Measurements | Level 2 | Other current liabilities | Fuel swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative liabilities	6,160
Recurring Fair Value Measurements | Level 2 | Other long-term investments | Interest rate swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative liabilities	21,390
Recurring Fair Value Measurements | Level 2 | Other long-term investments | Cross-currency swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative liabilities	5,816
Recurring Fair Value Measurements | Level 2 | Other long-term investments | Foreign currency swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative liabilities	12,308
Recurring Fair Value Measurements | Level 2 | Other long-term investments | Foreign currency forwards
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative liabilities	154
Recurring Fair Value Measurements | Level 2 | Other long-term investments | Fuel swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative liabilities	160
Recurring Fair Value Measurements | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Total assets at fair value	0	0
Total liabilities at fair value	0
Recurring Fair Value Measurements | Level 3 | Other assets | Interest rate swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative assets	0	$ 0
Recurring Fair Value Measurements | Level 3 | Other assets | Fuel swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative assets	0
Recurring Fair Value Measurements | Level 3 | Other current liabilities | Fuel swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative liabilities	0
Recurring Fair Value Measurements | Level 3 | Other long-term investments | Interest rate swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative liabilities	0
Recurring Fair Value Measurements | Level 3 | Other long-term investments | Foreign currency swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative liabilities	0
Recurring Fair Value Measurements | Level 3 | Other long-term investments | Foreign currency forwards
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of derivative liabilities	$ 0