v3.26.1
Segment Reporting (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Segment Reporting [Line Items]    
Net Sales $ 360.3 $ 378.2
Cost of sales 361.2 341.5
Other Selling, General and Administrative Expense 19.6 28.4
Other Depreciation and Amortization 23.4 21.5
Interest Expense, Net 5.0 3.3
Segment Reporting, Other Segment Item, Amount (0.2) 10.8
Income Tax Expense (Benefit) (3.7) (1.8)
Income (Loss) from Continuing Operations, Net of Tax (12.8) (5.9)
Labor and Overhead    
Segment Reporting [Line Items]    
Cost of sales 121.7 117.1
Supply Chain Costs    
Segment Reporting [Line Items]    
Cost of sales 39.6 36.3
Segment Reporting, Expense Information Used by CODM, Consolidated    
Segment Reporting [Line Items]    
Cost of sales 167.6 168.4
Foodservice    
Segment Reporting [Line Items]    
Net Sales 153.7 151.4
Folding Carton    
Segment Reporting [Line Items]    
Net Sales 124.9 148.4
Sheeting and Distribution    
Segment Reporting [Line Items]    
Net Sales 38.9 38.8
Other    
Segment Reporting [Line Items]    
Net Sales $ 42.7 $ 39.6