Fair Value Measurements (Details) - USD ($) $ in Thousands	Dec. 30, 2017	Jul. 01, 2017	Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value of total debt	$ 8,800,000
Not Designated as Hedging Instrument
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of total debt	9,200,000	$ 8,600,000	$ 8,600,000
Carrying value of total debt	8,900,000	8,200,000	8,300,000
Recurring Fair Value Measurements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	284,262	288,384	54,770
Other assets	152,877
Total assets at fair value	437,139	288,384	54,770
Recurring Fair Value Measurements | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	241,071	238,954	11,500
Other assets	145,734
Total assets at fair value	386,805	238,954	11,500
Recurring Fair Value Measurements | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	43,191	49,430	43,270
Other assets	7,143
Total assets at fair value	50,334	49,430	43,270
Recurring Fair Value Measurements | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0	0
Other assets
Total assets at fair value	$ 0	$ 0	$ 0