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Pension and Other Postretirement Benefits Pension Narrative (Details) - USD ($)
$ in Millions
 4 Months Ended 8 Months Ended 12 Months Ended
Jan. 01, 2023
Apr. 30, 2021
Apr. 30, 2021
Dec. 31, 2021
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]                
Net benefit liabilities   $ 188.9 $ 188.9 $ 208.9 $ 164.6 $ 208.9    
Net projected benefit obligations, current   $ 2.8 $ 2.8 $ 4.9 $ 4.8 4.9    
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets   6.03% 6.03% 6.03% 6.26%   6.48%  
Liability, Defined Benefit Plan, Noncurrent   $ 186.1 $ 186.1 $ 204.0 $ 159.8 204.0    
Employer contributions     22.5 2.4 3.5      
Defined Benefit Plan, Expected Return (Loss) on Plan Assets     12.1 24.7 38.3   $ 36.5  
Defined Benefit Plan, Plan Assets, Amount   652.0 652.0 634.6 458.5 $ 634.6 603.1  
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Other Change         29.3      
Interest cost     6.6 15.6 22.4   25.4  
Forecast [Member]                
Defined Benefit Plan Disclosure [Line Items]                
Defined Benefit Plan, Plan Assets, Amount               $ 1.2
Mr. Joseph Goldschmid                
Defined Benefit Plan Disclosure [Line Items]                
Defined Benefit Plan, Plan Assets, Related Party         $ 4.7      
Savings Plan [Member]                
Defined Benefit Plan Disclosure [Line Items]                
Employer contributions             $ 8.8  
Employee match         100.00%      
Maximum                
Defined Benefit Plan Disclosure [Line Items]                
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets         7.10%      
Maximum | Savings Plan [Member]                
Defined Benefit Plan Disclosure [Line Items]                
Maximum percentage of eligible employee compensation to be matched by employer         4.00%   5.00%  
Maximum | Savings Plan [Member] | Subsequent Event                
Defined Benefit Plan Disclosure [Line Items]                
Maximum percentage of eligible employee compensation to be matched by employer 5.00%              
Minimum                
Defined Benefit Plan Disclosure [Line Items]                
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets           6.26%    
Defined Benefit Plan, Underfunded Plan                
Defined Benefit Plan Disclosure [Line Items]                
Unfunded obligation increase         $ (44.3)      
Defined Benefit Plan, Expected Return (Loss) on Plan Assets         132.2      
Interest cost         22.4      
Pension Benefits                
Defined Benefit Plan Disclosure [Line Items]                
Net benefit liabilities   174.1 174.1 193.3 153.0 $ 193.3    
Net projected benefit obligations, current   1.4 1.4 3.8 3.7 3.8    
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year         7.4      
Liability, Defined Benefit Plan, Noncurrent   172.7 172.7 189.5 149.3 189.5    
Employer contributions     22.5 2.4 3.5      
Defined Benefit Plan, Plan Assets, Amount   $ 652.0 652.0 634.6 458.5 634.6 $ 603.1  
Interest cost     6.5 $ 15.3 22.0      
Supplemental Executive Retirement Plans [Member]                
Defined Benefit Plan Disclosure [Line Items]                
Unfunded obligation increase         $ 170.1      
Change in unrealized gains (losses) included in other income     $ 1.2     $ 3.2