Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 26, 2020	Dec. 28, 2019	Dec. 26, 2020	Dec. 28, 2019
Income Statement [Abstract]
Cost of goods sold	$ 211,866	$ 190,546	$ 414,209	$ 380,263
Gross margin	416,422	360,524	833,436	703,847
Operating expenses:
Research and development	114,802	111,914	230,268	220,903
Selling, general and administrative	80,153	76,071	163,107	152,186
Intangible asset amortization	943	756	1,862	1,512
Severance and Restructuring Charges	3,327	2,728	12,140	4,162
Other operating expenses (income), net	3,532	(1)	10,960	24
Total operating expenses	202,757	191,468	418,337	378,787
Operating income	213,665	169,056	415,099	325,060
Interest and other income (expense), net	(3,202)	(17)	(10,239)	1,812
Income before provision for income taxes	210,463	169,039	404,860	326,872
Income tax provision	(26,518)	(22,989)	(51,401)	(40,666)
Net income	$ 183,945	$ 146,050	$ 353,459	$ 286,206
Earnings per share:
Basic	$ 0.69	$ 0.54	$ 1.32	$ 1.06
Diluted	$ 0.68	$ 0.53	$ 1.31	$ 1.04
Shares used in the calculation of earnings per share:
Basic	267,299	270,330	267,131	270,859
Diluted	270,792	273,269	270,485	273,884
Revenue from Contract with Customer, Excluding Assessed Tax	$ 628,288	$ 551,070	$ 1,247,645	$ 1,084,110
Cost of goods sold	211,866	190,546	414,209	380,263
Gross Profit	$ 416,422	$ 360,524	$ 833,436	$ 703,847