Financial Instruments, Long-term Debt (Details) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 24, 2016	Dec. 26, 2015	Dec. 24, 2016	Dec. 26, 2015	Dec. 21, 2016	Jun. 25, 2016	Dec. 28, 2013	Mar. 30, 2013
Debt Instrument [Line Items]
Long-term debt	$ 1,000,000,000		$ 1,000,000,000			$ 1,250,000,000
Short-term Debt, Fair Value	0		0		$ 250,000,000	250,000,000
Long-term debt, current portion	0		0			(249,717,000)
Debt Issuance Cost			(8,719,000)	$ (10,193,000)
Long-term debt, excluding current portion	991,281,000		$ 991,281,000			$ 990,090,000
Stated interest rate of the notes						1.69%
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed			101.00%
Interest expense relating to the Notes	9,300,000	$ 7,900,000	$ 18,400,000	15,700,000
Estimated fair value of long-term debt	1,000,000,000		1,000,000,000
Interest Expense	9,500,000	$ 8,200,000	18,800,000	$ 16,300,000
Fixed Rate Note Due November 2018 at 2 Point 50 Percent [Member]
Debt Instrument [Line Items]
Long-term debt	$ 500,000,000		$ 500,000,000			$ 500,000,000	$ 500,000,000
Stated interest rate of the notes	2.50%		2.50%				2.50%
Effective interest rate of the Notes							2.60%
Net Proceeds From Issuance of Long Term Debt 4							$ 494,500,000
Fixed Rate Note Due March 2023 at 3 Point 375 Percent [Member]
Debt Instrument [Line Items]
Long-term debt	$ 500,000,000		$ 500,000,000			$ 500,000,000		$ 500,000,000
Stated interest rate of the notes	3.375%		3.375%					3.375%
Effective interest rate of the Notes								3.50%
Net Proceeds From Issuance of Long Term Debt 4								$ 490,000,000