Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments (Details 2)

v3.8.0.1
Derivative Instruments (Details 2) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Nov. 30, 2017
Nov. 30, 2016
Nov. 30, 2017
Nov. 30, 2016
Effect of our undesignated derivative instruments on our results of operations        
Net Gain (Loss) Recognized in Income $ 1.5 $ 0.6 $ 8.7 $ (6.0)
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 (2.0) (6.1) 4.4 (20.4)
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 3.5 6.7 4.3 14.4
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) (19.9) (37.0) 40.1 (37.5)
Net Gain (Loss) Reclassified from AOCI to Income (Effective portion) 3.3 (7.6) 1.3 (21.8)
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) (20.8) (39.1) 41.6 (39.7)
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) (0.4) 0.3 (0.3) 0.5
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) 2.3 (7.7) 0.3 (18.4)
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) 0.9 2.1 (1.5) 2.2
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) $ 1.4 $ (0.2) $ 1.3 $ (3.9)