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Property, Plant, and Equipment, net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 04, 2026	Jun. 28, 2025	Jul. 04, 2026	Jun. 28, 2025	Jan. 03, 2026
Property, Plant, and Equipment [Line Items]
Gross property and equipment	$ 125.7		$ 125.7		$ 122.2
Less: accumulated depreciation	(59.4)		(59.4)		(56.0)
Total property and equipment	66.3		66.3		66.2
Depreciation			7.2	$ 5.9
Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold
Property, Plant, and Equipment [Line Items]
Depreciation	2.5	$ 2.1	4.9	4.1
Income Statement Location [Axis]: us-gaap:OperatingExpenses
Property, Plant, and Equipment [Line Items]
Depreciation	1.1	$ 0.9	2.3	$ 1.8
Land
Property, Plant, and Equipment [Line Items]
Gross property and equipment	0.9		0.9		0.9
Building
Property, Plant, and Equipment [Line Items]
Gross property and equipment	$ 8.4		$ 8.4		8.2
Useful lives	30 years		30 years
Manufacturing machinery and equipment
Property, Plant, and Equipment [Line Items]
Gross property and equipment	$ 72.3		$ 72.3		69.3
Manufacturing machinery and equipment \| Minimum
Property, Plant, and Equipment [Line Items]
Useful lives	3 years		3 years
Manufacturing machinery and equipment \| Maximum
Property, Plant, and Equipment [Line Items]
Useful lives	10 years		10 years
Leasehold improvements
Property, Plant, and Equipment [Line Items]
Gross property and equipment	$ 13.8		$ 13.8		12.0
Computer and software
Property, Plant, and Equipment [Line Items]
Gross property and equipment	$ 17.6		$ 17.6		19.2
Computer and software \| Minimum
Property, Plant, and Equipment [Line Items]
Useful lives	3 years		3 years
Computer and software \| Maximum
Property, Plant, and Equipment [Line Items]
Useful lives	7 years		7 years
Furniture and fixtures, and vehicles
Property, Plant, and Equipment [Line Items]
Gross property and equipment	$ 7.7		$ 7.7		6.8
Furniture and fixtures, and vehicles \| Minimum
Property, Plant, and Equipment [Line Items]
Useful lives	3 years		3 years
Furniture and fixtures, and vehicles \| Maximum
Property, Plant, and Equipment [Line Items]
Useful lives	7 years		7 years
Construction in progress
Property, Plant, and Equipment [Line Items]
Gross property and equipment	$ 5.0		$ 5.0		$ 5.8