Schedule of Numerators and Denominators of Basic and Diluted Computations for Net Income Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 27, 2015	Dec. 28, 2014	Dec. 27, 2015	Dec. 28, 2014
Earnings Per Share [Abstract]
Net income	$ 222,980	$ 176,940	$ 511,659	$ 318,021
Basic average shares outstanding	158,424	159,248	158,388	160,467
Employee stock plans	2,034	3,304	2,289	3,432
Convertible notes	13,363	13,744	13,242	12,805
Warrants	421	750	389	378
Diluted average shares outstanding	174,242	177,046	174,308	177,082
Net income per share - basic (usd per share)	$ 1.41	$ 1.11	$ 3.23	$ 1.98
Net income per share - diluted (usd per share)	$ 1.28	$ 1.00	$ 2.94	$ 1.80