Debt - Interest Expense Related to Convertible Notes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 27, 2025	Dec. 28, 2024	Dec. 27, 2025	Dec. 28, 2024
Debt Instrument
Amortization of debt issuance costs			$ 1.9	$ 1.5
Convertible notes
Debt Instrument
Contractual interest expense	$ 5.0	$ 4.6	9.7	9.3
Amortization of debt issuance costs	1.1	0.8	1.9	1.5
Total interest expense	$ 6.1	$ 5.4	$ 11.6	$ 10.8