v3.25.4

Revenue Recognition - Schedule of Disaggregated Revenue from External Customers by Geographic Area (Details) - USD ($) $ in Millions		3 Months Ended			6 Months Ended
	Sep. 29, 2025	Dec. 28, 2025	Sep. 29, 2025	Dec. 29, 2024	Dec. 29, 2024
Disaggregation of Revenue [Line Items]
Revenue	$ 0.0	$ 168.5	$ 196.8	$ 180.5	$ 375.2
Geographic Concentration Risk | Revenue from Contract with Customer
Disaggregation of Revenue [Line Items]
Revenue	0.0	168.5	196.8	180.5	375.2
United States | Geographic Concentration Risk | Revenue from Contract with Customer
Disaggregation of Revenue [Line Items]
Revenue	$ 0.0	$ 54.8	$ 44.9	$ 29.2	$ 46.1
% of Revenue	0.00%	32.50%	22.80%	16.20%	12.30%
Hong Kong | Geographic Concentration Risk | Revenue from Contract with Customer
Disaggregation of Revenue [Line Items]
Revenue	$ 0.0	$ 30.6	$ 26.1	$ 19.2	$ 52.8
% of Revenue	0.00%	18.20%	13.30%	10.60%	14.10%
Europe | Geographic Concentration Risk | Revenue from Contract with Customer
Disaggregation of Revenue [Line Items]
Revenue	$ 0.0	$ 26.6	$ 36.3	$ 50.8	$ 89.6
% of Revenue	0.00%	15.80%	18.40%	28.10%	23.90%
Asia Pacific | Geographic Concentration Risk | Revenue from Contract with Customer
Disaggregation of Revenue [Line Items]
Revenue	$ 0.0	$ 25.4	$ 49.1	$ 23.9	$ 40.6
% of Revenue	0.00%	15.10%	24.90%	13.20%	10.80%
Singapore | Geographic Concentration Risk | Revenue from Contract with Customer
Disaggregation of Revenue [Line Items]
Revenue	$ 0.0	$ 11.2	$ 7.6	$ 18.7	$ 62.8
% of Revenue	0.00%	6.60%	3.90%	10.40%	16.70%
China | Geographic Concentration Risk | Revenue from Contract with Customer
Disaggregation of Revenue [Line Items]
Revenue	$ 0.0	$ 9.8	$ 17.9	$ 16.6	$ 27.0
% of Revenue	0.00%	5.80%	9.10%	9.20%	7.20%
Japan | Geographic Concentration Risk | Revenue from Contract with Customer
Disaggregation of Revenue [Line Items]
Revenue	$ 0.0	$ 6.9	$ 13.3	$ 21.6	$ 55.7
% of Revenue	0.00%	4.10%	6.80%	12.00%	14.80%
Other | Geographic Concentration Risk | Revenue from Contract with Customer
Disaggregation of Revenue [Line Items]
Revenue	$ 0.0	$ 3.2	$ 1.6	$ 0.5	$ 0.6
% of Revenue	0.00%	1.90%	0.80%	0.30%	0.20%

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