Financial Instruments Financial Instruments, Securities Received as Consideration (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 25, 2017	Mar. 25, 2017	Mar. 26, 2016	Jun. 25, 2016
Investment [Line Items]
Shares received as consideration	$ 500,073	$ 500,073		$ 124,950
Proceeds from sale of shares		50,994	$ 0
Common Stock [Member]
Investment [Line Items]
Shares received as consideration			$ 40,000
Proceeds from sale of shares		51,000
Gross Unrealized Gain		5,000
Gain realized upon sale of shares, payable	6,000	6,000
Payment for gain on sale of available-for-sale securities	4,000
Gain on sale of available-for-sale securities, payable in the next six months	$ 2,000	$ 2,000