Annual report pursuant to Section 13 and 15(d)

Derivative Instruments (Details 2)

v3.8.0.1
Derivative Instruments (Details 2) - USD ($)
$ in Millions
 12 Months Ended
Feb. 28, 2018
Feb. 28, 2017
Feb. 29, 2016
Effect of our undesignated derivative instruments on our results of operations      
Net Gain (Loss) Recognized in Income $ 13.5 $ (9.8) $ (69.3)
Foreign currency contracts [Member] | Selling, general and administrative expenses [Member]      
Effect of our undesignated derivative instruments on our results of operations      
Net Gain (Loss) Recognized in Income 6.0 (26.1) (21.1)
Interest rate swap contracts [Member] | Interest expense [Member]      
Effect of our undesignated derivative instruments on our results of operations      
Net Gain (Loss) Recognized in Income     (0.1)
Commodity derivative contracts [Member] | Cost of product sold [Member]      
Effect of our undesignated derivative instruments on our results of operations      
Net Gain (Loss) Recognized in Income 7.5 16.3 (48.1)
Cash flow hedging [Member]      
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 (Effective portion) 56.9 (23.0) (43.3)
Net Gain (Loss) Reclassified from AOCI to Income (Effective portion) 2.1 (31.2) (26.0)
Cash flow hedging [Member] | Foreign currency contracts [Member]      
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 (Effective portion) 58.4 (25.8) (41.7)
Cash flow hedging [Member] | Foreign currency contracts [Member] | Sales [Member]      
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 (Effective portion) (1.4) 1.1 2.1
Cash flow hedging [Member] | Foreign currency contracts [Member] | Cost of product sold [Member]      
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 (Effective portion) 1.3 (28.3) (20.0)
Cash flow hedging [Member] | Interest rate swap contracts [Member]      
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 (Effective portion) (1.5) 2.8 (1.6)
Cash flow hedging [Member] | Interest rate swap contracts [Member] | Interest expense [Member]      
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 (Effective portion) $ 2.2 $ (4.0) $ (8.1)