Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Dec. 30, 2017	Sep. 23, 2017	Dec. 24, 2016	Sep. 24, 2016	Dec. 30, 2017	Dec. 24, 2016
Numerator for basic earnings per share and diluted earnings per share
Net income	$ (75,015)		$ 130,477		$ 79,519	$ 268,091
Denominator for basic earnings per share	281,560		283,294		281,852	283,464
Effect of dilutive securities
Stock options, ESPP and RSUs	0		4,812		4,503	4,900
Denominator for diluted earnings per share	281,560		288,106		286,355	288,364
Earnings per share, Basic (per share)	$ (0.27)	$ (0.27)	$ 0.46	$ 0.46	$ 0.28	$ 0.95
Earnings per share, Diluted (per share)	$ (0.27)	$ (0.27)	$ 0.45	$ 0.45	$ 0.28	$ 0.93
Antidilutive securities excluded from computation of earnings per share	4,800		0			0