v3.25.2
Net Sales (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 29, 2025
Jun. 30, 2024
Jun. 29, 2025
Jun. 30, 2024
Disaggregation of Revenue [Line Items]        
Net sales $ 104.0 $ 99.7 $ 201.0 $ 189.1
Defense, First Response & Healthcare        
Disaggregation of Revenue [Line Items]        
Net sales 46.4 42.5 90.0 77.0
Transportation        
Disaggregation of Revenue [Line Items]        
Net sales 29.0 28.3 54.7 57.2
Specialty industrial        
Disaggregation of Revenue [Line Items]        
Net sales 28.6 28.9 56.3 54.9
Gas Cylinders        
Disaggregation of Revenue [Line Items]        
Net sales 47.0 49.8 88.1 95.2
Gas Cylinders | Defense, First Response & Healthcare        
Disaggregation of Revenue [Line Items]        
Net sales 20.9 24.6 40.1 45.2
Gas Cylinders | Transportation        
Disaggregation of Revenue [Line Items]        
Net sales 17.8 17.2 32.6 36.3
Gas Cylinders | Specialty industrial        
Disaggregation of Revenue [Line Items]        
Net sales 8.3 8.0 15.4 13.7
Elektron        
Disaggregation of Revenue [Line Items]        
Net sales 50.1 42.0 99.5 79.7
Elektron | Defense, First Response & Healthcare        
Disaggregation of Revenue [Line Items]        
Net sales 25.5 17.9 49.9 31.8
Elektron | Transportation        
Disaggregation of Revenue [Line Items]        
Net sales 11.2 11.1 22.1 20.9
Elektron | Specialty industrial        
Disaggregation of Revenue [Line Items]        
Net sales 13.4 13.0 27.5 27.0
Graphic Arts        
Disaggregation of Revenue [Line Items]        
Net sales 6.9 7.9 13.4 14.2
Graphic Arts | Defense, First Response & Healthcare        
Disaggregation of Revenue [Line Items]        
Net sales 0.0 0.0 0.0 0.0
Graphic Arts | Transportation        
Disaggregation of Revenue [Line Items]        
Net sales 0.0 0.0 0.0 0.0
Graphic Arts | Specialty industrial        
Disaggregation of Revenue [Line Items]        
Net sales $ 6.9 $ 7.9 $ 13.4 $ 14.2