Annual report pursuant to Section 13 and 15(d)

Business Segment Information (Details)

v3.8.0.1
Business Segment Information (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Feb. 28, 2018
Feb. 28, 2018
May 31, 2017
Feb. 28, 2018
Feb. 28, 2017
Feb. 29, 2016
Cost of product sold            
Loss on inventory write-down   $ (19.1)        
Net gain (loss) on undesignated commodity derivative contracts       $ 13.5 $ (9.8) $ (69.3)
Total cost of product sold       (3,767.8) (3,802.1) (3,606.1)
Selling, general and administrative expenses            
Loss on contract termination       (59.0) 0.0 0.0
Costs associated with the Canadian Divestiture and related activities $ (15.2)   $ (3.2)   (12.0)  
Total selling, general and administrative expenses       (1,532.7) (1,392.4) (1,177.2)
Gain on sale of business       0.0 262.4 0.0
Comparable Adjustments [Member]            
Cost of product sold            
Loss on inventory write-down       (19.1) 0.0 0.0
Flow through of inventory step-up       (18.7) (20.1) (18.4)
Amortization of favorable interim supply agreement       0.0 (2.2) (31.7)
Total cost of product sold       (28.1) 17.4 (68.7)
Selling, general and administrative expenses            
Impairment of intangible assets       (86.8) (37.6) 0.0
Loss on contract termination       (59.0) 0.0 0.0
Restructuring and other strategic business development costs       (14.0) (0.9) (16.4)
Transaction, integration and other acquisition-related costs       (8.1) (14.2) (15.4)
Costs associated with the Canadian Divestiture and related activities       (3.2) (20.4) 0.0
Other gains (losses)       10.5 (2.6) 0.0
Total selling, general and administrative expenses       (160.6) (75.7) (31.8)
Gain on sale of business       0.0 262.4 0.0
Comparable Adjustments, Operating income (loss)       (188.7) 204.1 (100.5)
Reduction in estimated fair value of contingent liability       8.1    
Comparable Adjustments [Member] | Commodity derivative contracts [Member]            
Cost of product sold            
Net gain (loss) on undesignated commodity derivative contracts       7.4 16.3 (48.1)
Settlements of undesignated commodity derivative contracts       $ 2.3 $ 23.4 $ 29.5