v3.25.4
Business Segment Information - Comparable Adjustments (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Nov. 30, 2025
Nov. 30, 2024
Nov. 30, 2025
Nov. 30, 2024
Feb. 28, 2025
Cost of Product and Service Sold [Abstract]          
Net gain (loss) on undesignated commodity derivative contracts $ 11.2 $ (5.1) $ 13.6 $ (41.5)  
Comparable adjustments, cost of product sold (1,039.6) (1,179.5) (3,459.0) (3,844.6)  
Selling, General and Administrative Expense [Abstract]          
Comparable Adjustments, selling, general, and administrative expenses (491.2) (491.3) (1,427.9) (1,444.7)  
Goodwill impairment 0.0 0.0 0.0 (2,250.0) $ (2,740.7)
Asset impairment and related expenses 0.0 0.0 (52.1) 0.0  
Comparable Adjustments          
Cost of Product and Service Sold [Abstract]          
Flow through of inventory step-up (2.1) (5.2) (3.8) (7.6)  
Strategic business development costs 0.8 0.0 (0.8) 0.0  
Comparable adjustments, cost of product sold 13.9 2.3 12.6 5.7  
Selling, General and Administrative Expense [Abstract]          
2025 Restructuring Initiative (34.8) 0.0 (56.4) 0.0  
Gain (loss) on sale of business (15.6) 0.0 (31.9) 0.0  
Transition services agreements activity (8.1) (8.3) (23.6) (15.9)  
Strategic business reconfiguration costs (1.0) (3.6) (6.2) (29.9)  
Other gains (losses) (1.3) 0.4 2.4 (20.7)  
Comparable Adjustments, selling, general, and administrative expenses (60.8) (11.5) (115.7) (66.5)  
Goodwill impairment 0.0 0.0 0.0 (2,250.0)  
Asset impairment and related expenses 0.0 0.0 (52.1) 0.0  
Comparable adjustments, operating income (loss) (46.9) (9.2) (155.2) (2,310.8)  
Gain (loss) on sale of assets (1.1) 0.0 3.0 0.0  
Net loss on foreign currency as a result of the resolution of various tax examinations and assessments 0.0 0.0 0.0 (20.7)  
Comparable Adjustments | Commodity derivative contracts          
Cost of Product and Service Sold [Abstract]          
Settlements of undesignated commodity derivative contracts 2.6 8.3 9.3 23.8  
Net gain (loss) on undesignated commodity derivative contracts $ 12.6 $ (0.8) $ 7.9 $ (10.5)