Quarterly report pursuant to Section 13 or 15(d)

Business Segment Information (Details)

v3.3.0.814
Business Segment Information (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Aug. 31, 2015
Aug. 31, 2014
Aug. 31, 2015
Aug. 31, 2014
Cost of product sold        
Amortization of favorable interim supply agreement     $ (22.7) $ (24.7)
Net loss on undesignated commodity derivative contracts $ (22.2) $ (4.3) (31.5) (9.8)
Total cost of product sold (957.8) (932.1) (1,852.0) (1,788.0)
Selling, general and administrative expenses        
Total selling, general and administrative expenses (296.2) (293.3) (606.0) (571.2)
Cost of product sold [Member] | Commodity derivative contracts [Member]        
Cost of product sold        
Net loss on undesignated commodity derivative contracts (11.2) (2.9) (16.4) (2.7)
Comparable Adjustments [Member]        
Selling, general and administrative expenses        
Comparable Adjustments, Operating loss (21.5) (34.7) (48.4) (47.1)
Comparable Adjustments [Member] | Sales [Member]        
Net sales        
Product recall 0.0 (3.5) 0.0 (3.5)
Cost of product sold        
Product recall 0.0 (3.5) 0.0 (3.5)
Selling, general and administrative expenses        
Product recall 0.0 (3.5) 0.0 (3.5)
Comparable Adjustments [Member] | Cost of product sold [Member]        
Net sales        
Product recall 0.0 (5.4) 0.0 (5.4)
Cost of product sold        
Amortization of favorable interim supply agreement (9.0) (11.3) (17.9) (18.9)
Flow through of inventory step up (1.2) 0.0 (1.2) 0.0
Product recall 0.0 (5.4) 0.0 (5.4)
Other losses 0.0 (2.6) 0.0 (2.6)
Total cost of product sold (14.7) (22.3) (23.3) (30.2)
Selling, general and administrative expenses        
Product recall 0.0 (5.4) 0.0 (5.4)
Comparable Adjustments [Member] | Cost of product sold [Member] | Commodity derivative contracts [Member]        
Cost of product sold        
Net loss on undesignated commodity derivative contracts (11.2) (2.9) (16.4) (2.7)
Settlements of undesignated commodity derivative contracts 6.7 (0.1) 12.2 (0.6)
Comparable Adjustments [Member] | Selling, general and administrative expenses [Member]        
Net sales        
Product recall 0.0 (0.3) 0.0 (0.3)
Cost of product sold        
Product recall 0.0 (0.3) 0.0 (0.3)
Selling, general and administrative expenses        
Restructuring and related charges (1.3) 0.0 (14.3) 0.0
Transaction, integration and other acquisition-related costs (5.5) (8.6) (10.8) (13.1)
Product recall 0.0 (0.3) 0.0 (0.3)
Total selling, general and administrative expenses $ (6.8) $ (8.9) $ (25.1) $ (13.4)