Cash, cash equivalents and short-term investments - Composition of balance (Detail) - USD ($) $ in Thousands	Dec. 24, 2021	Jun. 25, 2021	Dec. 25, 2020
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents and marketable securities, carrying cost	$ 520,720	$ 546,396
Unrealized Gain/ (Loss)	(850)	1,536
Cash and cash equivalents	276,531	302,969	$ 219,221
Marketable Securities	212,010	203,237
Other Investments	31,329	41,726
Certificates of deposit and time deposits
Cash and Cash Equivalents [Line Items]
Carrying cost, total		10,500
Other Investments		10,500
Cash
Cash and Cash Equivalents [Line Items]
Carrying Cost	235,561	222,664
Cash and cash equivalents	235,561	222,664
Cash equivalents
Cash and Cash Equivalents [Line Items]
Carrying Cost	40,970	80,305
Cash and cash equivalents	40,970	80,305
Liquidity funds
Cash and Cash Equivalents [Line Items]
Carrying Cost	31,329	30,000
Unrealized Gain/ (Loss)		1,226
Other Investments	31,329	31,226
Corporate debt securities
Cash and Cash Equivalents [Line Items]
Carrying cost, total	193,822	171,626
Unrealized Gain/ (Loss)	(822)	164
Marketable Securities	193,000	171,790
U.S. agency and U.S. treasury securities
Cash and Cash Equivalents [Line Items]
Carrying cost, total	19,038	31,301
Unrealized Gain/ (Loss)	(28)	146
Marketable Securities	$ 19,010	$ 31,447