Fair Value Measurements (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Jul. 02, 2016	Dec. 26, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value of total debt	$ 8,300,000
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	$ 3,300,000
Carrying value of total debt	8,300,000	7,400,000	3,100,000
Recurring Fair Value Measurements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	54,770	677,500	295,634
Total assets at fair value	97,291	714,305	299,570
Contingent consideration	3,900	16,439	20,687
Total liabilities at fair value	46,254	16,439	27,262
Recurring Fair Value Measurements | Other assets | Interest rate swap agreements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets	1,149	36,805	3,936
Recurring Fair Value Measurements | Other assets | Cross-currency swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets	9,027
Recurring Fair Value Measurements | Other assets | Foreign currency swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets	28,395
Recurring Fair Value Measurements | Other assets | Fuel swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets	3,950
Recurring Fair Value Measurements | Other long-term liabilities | Interest rate swap agreements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other long-term liabilities	25,391		6,575
Recurring Fair Value Measurements | Other long-term liabilities | Foreign currency swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other long-term liabilities	15,915
Recurring Fair Value Measurements | Other long-term liabilities | Foreign currency forwards
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other long-term liabilities	1,048
Recurring Fair Value Measurements | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	11,500	634,230	234,161
Total assets at fair value	11,500	634,230	234,161
Contingent consideration	0	0	0
Total liabilities at fair value	0	0	0
Recurring Fair Value Measurements | Level 1 | Other assets | Interest rate swap agreements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets	0	0	0
Recurring Fair Value Measurements | Level 1 | Other assets | Foreign currency swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets	0
Recurring Fair Value Measurements | Level 1 | Other assets | Fuel swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets	0
Recurring Fair Value Measurements | Level 1 | Other long-term liabilities | Interest rate swap agreements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other long-term liabilities	0		0
Recurring Fair Value Measurements | Level 1 | Other long-term liabilities | Foreign currency swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other long-term liabilities	0
Recurring Fair Value Measurements | Level 1 | Other long-term liabilities | Foreign currency forwards
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other long-term liabilities	0
Recurring Fair Value Measurements | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	43,270	43,270	61,473
Total assets at fair value	85,791	80,075	65,409
Contingent consideration	0	0	0
Total liabilities at fair value	42,354	0	6,575
Recurring Fair Value Measurements | Level 2 | Other assets | Interest rate swap agreements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets	1,149	36,805	3,936
Recurring Fair Value Measurements | Level 2 | Other assets | Cross-currency swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets	9,027
Recurring Fair Value Measurements | Level 2 | Other assets | Foreign currency swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets	28,395
Recurring Fair Value Measurements | Level 2 | Other assets | Fuel swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets	3,950
Recurring Fair Value Measurements | Level 2 | Other long-term liabilities | Interest rate swap agreements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other long-term liabilities	25,391		6,575
Recurring Fair Value Measurements | Level 2 | Other long-term liabilities | Foreign currency swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other long-term liabilities	15,915
Recurring Fair Value Measurements | Level 2 | Other long-term liabilities | Foreign currency forwards
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other long-term liabilities	1,048
Recurring Fair Value Measurements | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0	0
Total assets at fair value	0	0	0
Contingent consideration	3,900	16,439	20,687
Total liabilities at fair value	3,900	16,439	20,687
Recurring Fair Value Measurements | Level 3 | Other assets | Interest rate swap agreements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets	0	$ 0	0
Recurring Fair Value Measurements | Level 3 | Other assets | Foreign currency swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets	0
Recurring Fair Value Measurements | Level 3 | Other assets | Fuel swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other assets	0
Recurring Fair Value Measurements | Level 3 | Other long-term liabilities | Interest rate swap agreements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other long-term liabilities	0		$ 0
Recurring Fair Value Measurements | Level 3 | Other long-term liabilities | Foreign currency swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other long-term liabilities	0
Recurring Fair Value Measurements | Level 3 | Other long-term liabilities | Foreign currency forwards
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other long-term liabilities	$ 0