Income taxes - Textuals (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jul. 02, 2022
Income taxes
CAMT liability	$ 0
Payment For Purchase Of Transferable Federal Tax Credits	36,600
Income before income taxes, Domestic	186,600	$ 250,800	$ 197,100
Income before income taxes, Foreign	$ 445,600	$ 732,100	$ 636,300
Effective tax rate	21.10%	21.60%	16.90%
Deferred tax assets	$ 253,163	$ 242,069
Increase in valuation allowance due to current year activity in the United States	10,400
Decrease in Valuation Allowance Due To Changing Foreign Exchange Rates	2,000
Net operating loss carry forward	988,400,000
Operating loss carry forward, subject to expiration	15,500
Deferred tax assets operating loss carry forwards expiring in next three years and after	211,000
Operating loss carry forward, not subject to expiration	761,900
Unrecognized tax benefits including interest and penalties	130,300
Accrued interest expense and penalties	29,600	$ 27,700
Tax contingencies settled	55,300
Expected cash payment for settlement	$ 0