Income taxes - Textuals (Details)K - USD ($) $ in Thousands	12 Months Ended
	Jun. 28, 2025	Jun. 29, 2024	Jul. 01, 2023
Income taxes
CAMT liability	$ 0
Income before income taxes, Domestic	34,000	$ 186,600	$ 250,800
Income before income taxes, Foreign	$ 216,600	$ 445,600	$ 732,100
Effective tax rate	4.10%	21.10%	21.60%
Deferred tax assets	$ 371,235	$ 253,163
Increase in valuation allowance due to current year activity in the United States	22,200
Decrease in Valuation Allowance Due To Changing Foreign Exchange Rates	15,200
Net operating loss carry forward	1,200,000
Operating loss carry forward, subject to expiration	13,600
Deferred tax assets operating loss carry forwards expiring in next three years and after	209,900
Operating loss carry forward, not subject to expiration	976,500
Unrecognized tax benefits including interest and penalties	120,500
Accrued interest expense and penalties	28,000	$ 29,600
Tax contingencies settled	$ 13,200