v3.26.3
Note 4 - Restructuring (Details Textual) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 27, 2026
Sep. 28, 2025
Sep. 27, 2026
Sep. 28, 2025
Restructuring Charges $ 0.7 $ 3.4 $ 4.5 $ 5.2
Restructuring and Related Cost, Accelerated Depreciation 0.0 2.1 0.0 3.8
Gas Cylinders Segment [Member]        
Restructuring Charges 0.3   3.9  
Restructuring and Related Cost, Accelerated Depreciation 0.0 0.0 0.0 1.7
Elektron Segment [Member]        
Restructuring Charges 0.4   0.6  
Restructuring and Related Cost, Accelerated Depreciation $ 0.0 $ 2.1 $ 2.1