v3.25.1
Fair Value Measurements (Tables)
 3 Months Ended
Mar. 31, 2025
Fair Value Disclosures [Abstract]  
Schedule of Financial Assets and Liabilities Measured on Recurring Basis The fair value hierarchy for our financial assets and liabilities accounted for at fair value on a recurring basis was as follows (in millions):
 As of March 31, 2025
 Level 1Level 2Level 3Total
Assets    
Commodity derivatives$— $24.2 $— $24.2 
Interest rate swap derivatives— 3.1 — 3.1 
RINs commitment contracts— 1.3 — 1.3 
Total assets— 28.6 — 28.6 
Liabilities    
Commodity derivatives— (25.3)— (25.3)
Interest rate swap derivatives— (3.3)— (3.3)
RINs commitment contracts— (0.1)— (0.1)
Environmental credits obligation deficit— (61.6)— (61.6)
Inventory Intermediation Agreement obligation— (433.6)— (433.6)
Total liabilities— (523.9)— (523.9)
Net liabilities$— $(495.3)$— $(495.3)
 
As of December 31, 2024
 Level 1Level 2Level 3Total
Assets
Commodity derivatives$— $24.9 $— $24.9 
Interest rate swap derivatives— 8.3 — 8.3 
RINs commitment contracts— 0.3 — 0.3 
Total assets— 33.5 — 33.5 
Liabilities    
Commodity derivatives— (27.4)— (27.4)
Interest rate derivatives— (5.1)— (5.1)
RINs commitment contracts— (5.6)— (5.6)
Environmental credits obligation deficit— (30.6)— (30.6)
Inventory Intermediation Agreement obligation— (408.7)— (408.7)
Total liabilities— (477.4)— (477.4)
Net liabilities$— $(443.9)$— $(443.9)