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Commitments and Contingencies (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended 36 Months Ended
Jul. 24, 2024
USD ($)
Aug. 31, 2023
Mar. 31, 2022
potentially_responsible_party
Feb. 28, 2022
USD ($)
smelter_site
ft
Jan. 31, 2018
USD ($)
unilateralAdministrativeOrder
potentially_responsible_party
Nov. 27, 2015
USD ($)
Aug. 31, 2015
mining_site
Jun. 29, 2024
USD ($)
$ / shares
Jul. 01, 2023
USD ($)
Dec. 28, 2024
USD ($)
property
potentially_responsible_party
smelter_site
Dec. 30, 2023
USD ($)
Dec. 31, 2022
USD ($)
Oct. 31, 2008
import_entry
Dec. 28, 2024
USD ($)
potentially_responsible_party
smelter_site
property
Dec. 25, 2021
USD ($)
Dec. 29, 2018
potentially_responsible_party
Nov. 08, 2016
USD ($)
Apr. 19, 2010
Loss Contingencies [Line Items]                                    
Environmental expense                   $ 1,800 $ 700 $ 1,400            
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]                   Environmental reserves, Other current liabilities       Environmental reserves, Other current liabilities        
Environmental reserves                   $ 18,400 18,900     $ 18,400        
Expected environmental expenditures for 2025                   3,200       3,200        
Expected environmental expenditures for 2026                   1,200       1,200        
Expected environmental expenditures for 2027                   700       700        
Expected environmental expenditures for 2028                   800       800        
Expected environmental expenditures for 2029                   800       800        
Expected environmental expenditures after 2029                   11,700       11,700        
Proceeds from Insurance Settlement, Gross               $ 29,500                    
Insurance deductible               $ 250                    
Insured event, gain (loss), pretax                 $ 19,500                  
Insured event, gain per diluted share, after tax (in USD per share) | $ / shares               $ 0.13                    
Proceeds from insurance settlement                   25,000 $ 24,500 $ 5,000            
Insurance advances, net                   35,000                
Advances to insurance claim                   $ 21,600       21,600        
Letter of Credit                                    
Loss Contingencies [Line Items]                                    
Term of guarantees                   1 year                
Letter of Credit | Revolving Credit Facility                                    
Loss Contingencies [Line Items]                                    
Payments required to be made under guarantees, maximum                   $ 28,800       $ 28,800        
United States Department of Commerce Antidumping Review                                    
Loss Contingencies [Line Items]                                    
Assignment of antidumping duty rate on U.S. imports by Company subsidiaries (as a percent)                                   48.33%
Payment for interest and duties           $ 3,000                        
Number of import entries | import_entry                         795          
East La Harpe                                    
Loss Contingencies [Line Items]                                    
Number of parties involved in settlement negotiations | smelter_site                   3       3        
Southeast Kansas Sites                                    
Loss Contingencies [Line Items]                                    
Accrual for environmental loss contingencies, gross       $ 5,600                            
Geographic boundary of sites | ft       50                            
Southeast Kansas Sites | Non operating Properties                                    
Loss Contingencies [Line Items]                                    
Number of parties involved in settlement negotiations | smelter_site       3                            
Southeast Kansas Sites - East La Harpe | Non operating Properties                                    
Loss Contingencies [Line Items]                                    
Number of parties involved in settlement negotiations | potentially_responsible_party                   2       2   2    
Southeast Kansas Sites - Lanyon | Operating Properties                                    
Loss Contingencies [Line Items]                                    
Number of properties in remediation | property                   1,371       1,371        
EPA review, term   5 years                                
Number of surrounding properties | property                   300                
Shasta Area Mine Sites                                    
Loss Contingencies [Line Items]                                    
Period of permit, implementation of Best Management Practices                   10 years                
Environmental remediation expense spending                           $ 1,300        
Estimated remediation costs, term                   30 years                
Shasta Area Mine Sites | Minimum                                    
Loss Contingencies [Line Items]                                    
Estimated remediation costs                   $ 13,200                
Shasta Area Mine Sites | Maximum                                    
Loss Contingencies [Line Items]                                    
Estimated remediation costs                   $ 14,900                
Lead Refinery Site                                    
Loss Contingencies [Line Items]                                    
Environmental expense                           $ 700        
Number of surrounding properties | property                   300                
Amount other PRPs will pay to fund cleanup                   $ 26,000                
Financial guarantee                                 $ 1,000  
Lead Refinery Site | Minimum                                    
Loss Contingencies [Line Items]                                    
Estimated remediation costs                   2,300                
Lead Refinery Site | Maximum                                    
Loss Contingencies [Line Items]                                    
Estimated remediation costs                   $ 2,700                
Lead Refinery Site | Non operating Properties                                    
Loss Contingencies [Line Items]                                    
Number of parties involved in settlement negotiations | potentially_responsible_party                   2       2        
Estimated remediation costs, term                   12 years                
Lead Refinery NPL Site                                    
Loss Contingencies [Line Items]                                    
Environmental reserves         $ 4,500                          
Number of UAOs | unilateralAdministrativeOrder         2                          
Number of PRPs | potentially_responsible_party     4   4                          
Site contingency, total costs         $ 25,000                          
Site contingency, amount agreed upon to pay PRPs for past costs         2,000                          
Site contingency, additional reimbursement of past costs         $ 700                          
Contingency charge                   $ 7,600                
Reserve for settlement                             $ 3,300      
Litigation settlement $ 100                                  
Bonita Peak Mining District                                    
Loss Contingencies [Line Items]                                    
Number of mining sites | mining_site             48                      
Mueller Copper Tube Products, Inc. | Operating Properties | Minimum                                    
Loss Contingencies [Line Items]                                    
Estimated remediation costs                   $ 300