Annual report pursuant to Section 13 and 15(d)

Business Segment Information (Details)

v3.19.1
Business Segment Information (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Feb. 28, 2019
Feb. 28, 2018
May 31, 2018
Feb. 28, 2018
May 31, 2017
Feb. 28, 2019
Feb. 28, 2018
Feb. 28, 2017
Cost of product sold                
Loss on inventory write-down $ (20.6)   $ (1.5) $ (19.1)        
Net gain (loss) on undesignated derivative contracts           $ (24.0) $ 13.5 $ (9.8)
Total cost of product sold           (4,035.7) (3,767.8) (3,802.1)
Selling, general and administrative expenses                
Net gain (loss) on undesignated derivative contracts           (24.0) 13.5 (9.8)
Loss on contract termination           0.0 (59.0) 0.0
Costs associated with the Canadian Divestiture and related activities   $ (15.2)     $ (3.2)     (12.0)
Total selling, general and administrative expenses           (1,668.1) (1,532.7) (1,392.4)
Gain on sale of business           0.0 0.0 262.4
Comparable Adjustments [Member]                
Cost of product sold                
Accelerated depreciation           (8.9) 0.0 0.0
Flow through of inventory step-up           (4.9) (18.7) (20.1)
Loss on inventory write-down           (3.3) (19.1) 0.0
Other losses           (6.0) 0.0 (2.2)
Total cost of product sold           (29.9) (28.1) 17.4
Selling, general and administrative expenses                
Impairment of intangible assets           (108.0) (86.8) (37.6)
Restructuring and other strategic business development costs           (17.1) (14.0) (0.9)
Deferred compensation           (16.3) 0.0 0.0
Transaction, integration and other acquisition-related costs           (10.2) (8.1) (14.2)
Loss on contract termination           0.0 (59.0) 0.0
Costs associated with the Canadian Divestiture and related activities           0.0 (3.2) (20.4)
Other gains (losses)           10.1 10.5 (2.6)
Total selling, general and administrative expenses           (174.1) (160.6) (75.7)
Gain on sale of business           0.0 0.0 262.4
Comparable Adjustments, Operating income (loss)           (204.0) (188.7) 204.1
Gain on sale of certain non-core assets           8.5    
Reduction in estimated fair value of contingent liability             8.1  
Comparable Adjustments [Member] | Commodity derivative contracts [Member]                
Cost of product sold                
Settlements of undesignated commodity derivative contracts           (8.6) 2.3 23.4
Net gain (loss) on undesignated derivative contracts           1.8 7.4 16.3
Selling, general and administrative expenses                
Net gain (loss) on undesignated derivative contracts           1.8 7.4 16.3
Comparable Adjustments [Member] | Foreign currency contracts [Member]                
Cost of product sold                
Net gain (loss) on undesignated derivative contracts           (32.6) 0.0 0.0
Selling, general and administrative expenses                
Net gain (loss) on undesignated derivative contracts           $ (32.6) $ 0.0 $ 0.0