Revenue Recognition - Schedule of Disaggregated Revenue from External Customers by Geographic Area (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended	9 Months Ended
	Mar. 29, 2026	Sep. 29, 2025	Mar. 30, 2025	Mar. 29, 2026	Mar. 30, 2025
Disaggregation of Revenue [Line Items]
Revenue	$ 150.2	$ 196.8	$ 185.4	$ 318.7	$ 560.6
Geographic Concentration Risk \| Revenue from Contract with Customer
Disaggregation of Revenue [Line Items]
Revenue	150.2	196.8	185.4	318.7	560.6
United States \| Geographic Concentration Risk \| Revenue from Contract with Customer
Disaggregation of Revenue [Line Items]
Revenue	$ 51.2	$ 44.9	$ 38.4	$ 106.0	$ 84.5
% of Revenue	34.10%	22.80%	20.70%	33.30%	15.10%
Hong Kong \| Geographic Concentration Risk \| Revenue from Contract with Customer
Disaggregation of Revenue [Line Items]
Revenue	$ 27.2	$ 26.1	$ 28.1	$ 57.8	$ 80.9
% of Revenue	18.10%	13.30%	15.20%	18.10%	14.40%
Europe \| Geographic Concentration Risk \| Revenue from Contract with Customer
Disaggregation of Revenue [Line Items]
Revenue	$ 27.3	$ 36.3	$ 34.1	$ 54.0	$ 123.7
% of Revenue	18.20%	18.40%	18.40%	16.90%	22.10%
Asia Pacific \| Geographic Concentration Risk \| Revenue from Contract with Customer
Disaggregation of Revenue [Line Items]
Revenue	$ 26.0	$ 49.1	$ 21.4	$ 51.4	$ 62.0
% of Revenue	17.30%	24.90%	11.50%	16.10%	11.10%
Singapore \| Geographic Concentration Risk \| Revenue from Contract with Customer
Disaggregation of Revenue [Line Items]
Revenue	$ 7.4	$ 7.6	$ 21.0	$ 18.6	$ 83.8
% of Revenue	4.90%	3.90%	11.30%	5.80%	14.90%
China \| Geographic Concentration Risk \| Revenue from Contract with Customer
Disaggregation of Revenue [Line Items]
Revenue	$ 4.1	$ 17.9	$ 21.9	$ 13.8	$ 48.9
% of Revenue	2.70%	9.10%	11.80%	4.30%	8.70%
Japan \| Geographic Concentration Risk \| Revenue from Contract with Customer
Disaggregation of Revenue [Line Items]
Revenue	$ 5.7	$ 13.3	$ 19.5	$ 12.6	$ 75.2
% of Revenue	3.80%	6.80%	10.50%	4.00%	13.40%
Other \| Geographic Concentration Risk \| Revenue from Contract with Customer
Disaggregation of Revenue [Line Items]
Revenue	$ 1.3	$ 1.6	$ 1.0	$ 4.5	$ 1.6
% of Revenue	0.90%	0.80%	0.60%	1.50%	0.30%