Quarterly report pursuant to Section 13 or 15(d)

Business Segment Information (Details)

 v2.3.0.11
Business Segment Information (Details) (USD $)
In Millions
 3 Months Ended 6 Months Ended 7 Months Ended 12 Months Ended
Aug. 31, 2011
Aug. 31, 2010
Aug. 31, 2011
Aug. 31, 2010
Aug. 31, 2011
Feb. 28, 2011
Cost of Product Sold            
Cost of Product Sold $ 407.2 $ 548.6 $ 791.5 $ 1,066.1    
Selling, General and Administrative Expenses            
Net (gains) losses on CWAE Divestiture and related activities 0.7   (0.1)   (83.8) (83.7)
Selling, General and Administrative Expenses 138.2 167.3 276.4 336.1    
Restructuring Charges (0.3) 13.7 10.8 18.6    
Restructuring Charges and Unusual Items 3.5 17.3 17.3 24.2    
Restructuring Charges and Unusual Items [Member]
            
Cost of Product Sold            
Accelerated depreciation 0.1 0.1 0.3 1.1    
Flow through of inventory step-up   0.6   1.6    
Cost of Product Sold 0.1 0.7 0.3 2.7    
Selling, General and Administrative Expenses            
Net foreign currency loss (gain) on contractual obligation from put option of Ruffino shareholder (0.1)   2.1      
Net (gains) losses on CWAE Divestiture and related activities 0.7   (0.1)      
Net gains on sale of nonstrategic assets       (1.0)    
Acquisition-related integration costs   0.1   0.2    
Other costs 3.1 2.8 4.2 3.7    
Selling, General and Administrative Expenses 3.7 2.9 6.2 2.9    
Restructuring Charges $ (0.3) $ 13.7 $ 10.8 $ 18.6