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Net Sales - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2023	Jun. 26, 2022	Jul. 02, 2023	Jun. 26, 2022
Disaggregation of Revenue [Line Items]
Net sales	$ 110.4	$ 109.5	$ 211.7	$ 206.5
General industrial
Disaggregation of Revenue [Line Items]
Net sales	31.2	40.5	63.6	75.8
Transportation
Disaggregation of Revenue [Line Items]
Net sales	31.5	35.3	58.2	65.1
Defense, First Response & Healthcare
Disaggregation of Revenue [Line Items]
Net sales	47.7	33.7	89.9	65.6
Gas Cylinders
Disaggregation of Revenue [Line Items]
Net sales	48.5	46.1	90.0	88.5
Gas Cylinders | General industrial
Disaggregation of Revenue [Line Items]
Net sales	9.0	8.3	18.5	16.7
Gas Cylinders | Transportation
Disaggregation of Revenue [Line Items]
Net sales	18.6	19.1	32.5	36.0
Gas Cylinders | Defense, First Response & Healthcare
Disaggregation of Revenue [Line Items]
Net sales	20.9	18.7	39.0	35.8
Elektron
Disaggregation of Revenue [Line Items]
Net sales	61.9	63.4	121.7	118.0
Elektron | General industrial
Disaggregation of Revenue [Line Items]
Net sales	22.2	32.2	45.1	59.1
Elektron | Transportation
Disaggregation of Revenue [Line Items]
Net sales	12.9	16.2	25.7	29.1
Elektron | Defense, First Response & Healthcare
Disaggregation of Revenue [Line Items]
Net sales	$ 26.8	$ 15.0	$ 50.9	$ 29.8

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