Stock-Based Compensation Restricted Stock Units (Details) (Restricted stock units [Member], USD $)	12 Months Ended			6 Months Ended	12 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012	Dec. 28, 2013 Volterra [Member]	Jun. 28, 2014 Volterra [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 26.60	$ 25.30	$ 20.80	$ 29.53
Each RSU to stock options factor	2
Outstanding and expected to vest RSUs [Roll Forward]
Restricted stock units outstanding, beginning	7,965,532	8,923,454	10,000,738
Restricted stock units granted	3,233,300	3,074,466	3,645,864	418,955	418,955
Restricted stock units released	(2,904,787)	(3,097,369)	(3,433,989)
Restricted stock units cancelled	(1,017,869)	(935,019)	(1,289,159)
Restricted stock units outstanding, ending	7,695,131	7,965,532	8,923,454
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms	2 years 7 months 6 days
Restricted stock units outstanding, aggregate intrinsic value	$ 276,548,336
Restricted stock units expected to vest, number of shares	7,034,280
Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other than Options, Expected to Vest, Weighted Average Remaining Contractual Term 1	2 years 7 months 6 days
Restricted stock units expected to vest, aggregate intrinsic value	$ 243,667,458
Restricted stock unit shares withheld for withholding tax	31,400,000
Unrecognized compensation costs related to unvested RSUs	$ 133,700,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	2 years 7 months 6 days