Consolidated Statements of Cash Flows $ in Thousands	12 Months Ended
	Jun. 27, 2020 USD ($)	Jun. 29, 2019 USD ($)	Jun. 30, 2018 USD ($)
Cash flows from operating activities:
Net income	$ 654,694	$ 827,486	$ 467,318
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation	95,431	86,977	78,685
Depreciation and amortization	108,533	110,745	144,974
Deferred taxes	8,994	13,957	27,715
Loss (gain) from sale of property, plant and equipment	1,191	3,967	995
Gain (Loss) on Investments, Excluding Other than Temporary Impairments	11,353	(3)	892
Changes in assets and liabilities:
Accounts receivable	(42,335)	62,252	(19,714)
Inventories	(8,671)	36,003	(32,776)
Other current assets	(86,299)	(14,901)	32,368
Accounts payable	7,594	(10,272)	9,560
Price adjustment and other revenue reserves	48,426	(41,162)	0
Income taxes payable	(74,814)	(176,114)	117,654
Deferred income on shipments to distributors	0	0	(14,974)
All other accrued liabilities	76,758	(23,095)	6,767
Net cash provided by operating activities	800,855	875,840	819,464
Cash flows from investing activities:
Purchases of property, plant and equipment	(67,049)	(82,823)	(65,782)
Proceeds from sale of property, plant, and equipment	392	340	5,823
Acquisitions	(69,270)	(2,949)	(57,773)
Proceeds from Divestiture of Businesses	378	0	0
Purchases of available-for-sale securities	0	(214,587)	(1,447,354)
Payments to Acquire Investments	(1,960)	(3,176)	(5,520)
Proceeds from Sale of Available-for-sale Securities	1,290	30,192	107,291
Proceeds from sales/maturities of available-for-sale securities	104,286	1,130,514	753,249
Payments for (Proceeds from) Other Investing Activities	(116)	(600)	0
Net cash used in investing activities	(32,049)	856,911	(710,066)
Cash flows from financing activities
Business acquisition,cash paid for contingent consideration	8,000	9,052	0
Repayment of notes payable	0	(500,000)	0
Payments of Stock Issuance Costs	(35,877)	(29,689)	(30,310)
Proceeds from Stock Options Exercised	18,870	24,400	28,009
Proceeds from Stock Plans	42,260	40,175	36,321
Repurchase of common stock	(440,811)	(539,151)	(407,968)
Dividends paid	(517,162)	(505,576)	(438,087)
Net cash used in financing activities	(940,720)	(1,518,893)	(812,035)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	(171,914)	213,858	(702,637)
Cash and cash equivalents:
Beginning of year	1,757,342	1,543,484
End of year	1,578,670	1,757,342	1,543,484
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	1,585,428	1,757,342	1,543,484
Supplemental disclosures of cash flow information:
Cash (refunded) paid, net during the year for income taxes	98,211	98,104	189,100
Interest Paid, Excluding Capitalized Interest, Operating Activities	34,126		46,625
Cash paid for interest		40,376
Noncash financing and investing activities:
Accounts payable related to property, plant and equipment purchases	11,586	12,090	8,833
Restricted Cash	$ 6,758	$ 0	$ 0