Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments - Effects of Designated and Undesignated Hedging Instruments (Details)

v3.20.2
Derivative Instruments - Effects of Designated and Undesignated Hedging Instruments (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Aug. 31, 2020
Aug. 31, 2019
Aug. 31, 2020
Aug. 31, 2019
Effect of our undesignated derivative instruments on our results of operations        
Net gain (loss) recognized in income (loss) $ 23.3 $ (16.0) $ (29.4) $ (35.7)
Foreign currency contracts | Selling, general, and administrative expenses        
Effect of our undesignated derivative instruments on our results of operations        
Net gain (loss) recognized in income (loss) 5.9 (5.1) (20.0) (8.9)
Commodity derivative contracts | Cost of product sold        
Effect of our undesignated derivative instruments on our results of operations        
Net gain (loss) recognized in income (loss) 17.4 (10.9) (9.4) (26.8)
Cash flow hedging        
Effect of our derivative instruments designated in cash flow hedging relationships on our results of operations, net of income tax effect        
Net Gain (Loss) Recognized in OCI 37.1 (33.8) (172.7) (36.2)
Net Gain (Loss) Reclassified from AOCI to Income (Loss) (19.6) 4.2 (28.1) 7.8
Cash flow hedging | Foreign currency contracts        
Effect of our derivative instruments designated in cash flow hedging relationships on our results of operations, net of income tax effect        
Net Gain (Loss) Recognized in OCI 37.4 (33.2) (156.0) (35.6)
Cash flow hedging | Foreign currency contracts | Sales        
Effect of our derivative instruments designated in cash flow hedging relationships on our results of operations, net of income tax effect        
Net Gain (Loss) Reclassified from AOCI to Income (Loss) 0.5 0.0 0.9 0.0
Cash flow hedging | Foreign currency contracts | Cost of product sold        
Effect of our derivative instruments designated in cash flow hedging relationships on our results of operations, net of income tax effect        
Net Gain (Loss) Reclassified from AOCI to Income (Loss) (18.7) 4.2 (27.2) 7.8
Cash flow hedging | Interest rate swap contracts        
Effect of our derivative instruments designated in cash flow hedging relationships on our results of operations, net of income tax effect        
Net Gain (Loss) Recognized in OCI (0.3) (0.6) (0.6) (0.6)
Cash flow hedging | Interest rate swap contracts | Interest expense        
Effect of our derivative instruments designated in cash flow hedging relationships on our results of operations, net of income tax effect        
Net Gain (Loss) Reclassified from AOCI to Income (Loss) (0.7) $ 0.0 (1.1) $ 0.0
Cash flow hedging | Treasury lock contracts        
Effect of our derivative instruments designated in cash flow hedging relationships on our results of operations, net of income tax effect        
Net Gain (Loss) Recognized in OCI 0.0   (16.1)  
Cash flow hedging | Treasury lock contracts | Interest expense        
Effect of our derivative instruments designated in cash flow hedging relationships on our results of operations, net of income tax effect        
Net Gain (Loss) Reclassified from AOCI to Income (Loss) $ (0.7)   $ (0.7)