Segmental Information - Revenue and Assets by Geographic Region (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2024	Apr. 02, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 89.4	$ 101.3
Top five countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 70.6	$ 75.9
Top five countries \| Revenue from Contract with Customer Benchmark \| Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	79.00%	74.90%
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 53.2	$ 57.7
United States \| Revenue from Contract with Customer Benchmark \| Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	59.60%	57.00%
Germany
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 5.4	$ 6.3
Germany \| Revenue from Contract with Customer Benchmark \| Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	6.00%	6.20%
U.K.
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 4.3	$ 5.6
U.K. \| Revenue from Contract with Customer Benchmark \| Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	4.80%	5.50%
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 4.0	$ 1.8
Canada \| Revenue from Contract with Customer Benchmark \| Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	4.50%	1.80%
Japan
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 3.7	$ 4.5
Japan \| Revenue from Contract with Customer Benchmark \| Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	4.10%	4.40%
Rest of Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 12.1	$ 13.0
Rest of Europe \| Revenue from Contract with Customer Benchmark \| Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	13.50%	12.80%
Asia Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 3.6	$ 9.1
Asia Pacific \| Revenue from Contract with Customer Benchmark \| Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	4.00%	9.00%
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 3.1	$ 3.3
Other \| Revenue from Contract with Customer Benchmark \| Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	3.50%	3.30%