v3.26.1
Temiscaming Operations - Schedule of Suspension Reserve by Type of Cost (Details)
$ in Thousands
6 Months Ended
Jun. 27, 2026
USD ($)
Restructuring Reserve [Roll Forward]  
Beginning balance $ 670
Charges incurred 955
Payments (1,415)
Ending balance 210
Mothballing Costs  
Restructuring Reserve [Roll Forward]  
Beginning balance 0
Charges incurred 802
Payments (802)
Ending balance 0
Severance and Other Employee Costs  
Restructuring Reserve [Roll Forward]  
Beginning balance 670
Charges incurred 153
Payments (613)
Ending balance $ 210