Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 26, 2016	Jun. 27, 2015	Mar. 28, 2015
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 66,066	$ 41,720	$ 75,969
Preferred stock, par value (in dollars per share)	$ 1	$ 1	$ 1
Preferred stock, authorized (in shares)	1,500,000	1,500,000	1,500,000
Preferred stock, issued (in shares)	0	0	0
Common stock, par value (in dollars per share)	$ 1	$ 1	$ 1
Common stock, authorized (in shares)	2,000,000,000	2,000,000,000	2,000,000,000
Common stock, issued (in shares)	765,174,900	765,174,900	765,174,900
Treasury stock (in shares)	200,223,397	170,857,231	171,860,470