v3.23.1
Income taxes (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Mar. 31, 2023
Mar. 25, 2022
Mar. 31, 2023
Mar. 25, 2022
Jun. 24, 2022
Income Tax Disclosure [Abstract]          
Liability for uncertain tax positions including accrued interest and penalties $ 0.9   $ 0.9   $ 1.6
Corporate effective income tax rate 6.50% 5.40% 3.10% 3.20%