Financial Instruments, Long-term Debt (Details) - USD ($)	3 Months Ended		6 Months Ended		9 Months Ended
	Mar. 25, 2017	Mar. 26, 2016	Dec. 24, 2016	Dec. 26, 2015	Mar. 25, 2017	Mar. 26, 2016	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				$ (10,193,000)	(8,123,000)
Long-term debt, excluding current portion	991,877,000				991,877,000			$ 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	7,900,000	$ 7,800,000			26,300,000	$ 23,500,000
Estimated fair value of long-term debt	1,000,000,000				1,000,000,000
Interest Expense	8,100,000	$ 8,200,000			26,800,000	$ 24,500,000
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