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Debt and Other Obligations - Narrative (Details)
emissions_certificate in Thousands
Sep. 29, 2025
EUR (€)
emissions_certificate
Sep. 16, 2025
EUR (€)
emissions_certificate
Mar. 19, 2025
EUR (€)
emissions_certificate
Sep. 30, 2025
USD ($)
Sep. 30, 2025
EUR (€)
Dec. 31, 2024
USD ($)
Debt Instrument [Line Items]            
Number of emission allowance certificates sold | emissions_certificate 21 320 145      
Proceeds from sale of emissions certificate | € € 1,600,000 € 24,600,000 € 10,500,000      
Emissions certificates, repurchase obligation amount | € € 1,600,000 € 24,800,000 € 10,800,000      
Accrued interest       $ 43,200,000 € 36,800,000  
Revolving Credit Facility | Revolving Credit Facility            
Debt Instrument [Line Items]            
Increase in borrowing capacity | €         50,000,000  
Maximum borrowing capacity       410,900,000 € 350,000,000  
Debt issuance costs, gross | $       4,700,000    
Remaining borrowing capacity | $       165,800,000   $ 127,500,000
Outstanding | $       $ 58,700,000   $ 0
Revolving Credit Facility | Revolving Credit Facility | On or before December 31, 2026            
Debt Instrument [Line Items]            
Leverage ratio margin       500.00% 500.00%  
Revolving Credit Facility | Revolving Credit Facility | After December 31, 2026            
Debt Instrument [Line Items]            
Leverage ratio margin       450.00% 450.00%