Quarterly report pursuant to Section 13 or 15(d)

Restructuring Charges (Details)

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Restructuring Charges (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Nov. 30, 2012
Aug. 31, 2012
May 31, 2012
Nov. 30, 2011
Nov. 30, 2012
Nov. 30, 2011
Details of restructuring liability by plan            
Restructuring liability, February 29, 2012     $ 14.8   $ 14.8  
Restructuring charges 0.3 0.2 0.5 0.8 1.0 11.6
Cash expenditures         (8.4)  
Foreign currency translation and other noncash adjustments         (0.1)  
Restructuring liability, November 30, 2012 7.3       7.3  
Fiscal 2012 Initiative [Member]
           
Details of restructuring liability by plan            
Restructuring liability, February 29, 2012     8.0   8.0  
Restructuring charges (0.2) 0.2 0.4   0.4  
Cash expenditures         (5.5)  
Foreign currency translation and other noncash adjustments         0  
Restructuring liability, November 30, 2012 2.9       2.9  
Other Plans [Member]
           
Details of restructuring liability by plan            
Restructuring liability, February 29, 2012     6.8   6.8  
Restructuring charges 0.5 0 0.1   0.6  
Cash expenditures         (2.9)  
Foreign currency translation and other noncash adjustments         (0.1)  
Restructuring liability, November 30, 2012 4.4       4.4  
Employee termination benefit costs [Member]
           
Details of restructuring liability by plan            
Restructuring charges 0.3 0.2 0.4      
Employee termination benefit costs [Member] | Fiscal 2012 Initiative [Member]
           
Details of restructuring liability by plan            
Restructuring charges (0.2) 0.2 0.4      
Employee termination benefit costs [Member] | Other Plans [Member]
           
Details of restructuring liability by plan            
Restructuring charges 0.5 0 0      
Contract termination costs [Member]
           
Details of restructuring liability by plan            
Restructuring charges 0 0 0      
Contract termination costs [Member] | Fiscal 2012 Initiative [Member]
           
Details of restructuring liability by plan            
Restructuring charges 0 0 0      
Contract termination costs [Member] | Other Plans [Member]
           
Details of restructuring liability by plan            
Restructuring charges 0 0 0      
Facility consolidation/relocation costs [Member]
           
Details of restructuring liability by plan            
Restructuring charges 0 0 0.1      
Facility consolidation/relocation costs [Member] | Fiscal 2012 Initiative [Member]
           
Details of restructuring liability by plan            
Restructuring charges 0 0 0      
Facility consolidation/relocation costs [Member] | Other Plans [Member]
           
Details of restructuring liability by plan            
Restructuring charges $ 0 $ 0 $ 0.1