Annual report pursuant to Section 13 and 15(d)

Business Segment Information (Details 2)

v2.4.0.8
Business Segment Information (Details 2) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Feb. 28, 2014
Nov. 30, 2013
Aug. 31, 2013
May 31, 2013
Feb. 28, 2013
Nov. 30, 2012
Aug. 31, 2012
May 31, 2012
Feb. 28, 2014
Feb. 28, 2013
Feb. 29, 2012
Revenues From External Customers And Long Lived Assets [Line Items]                      
Net sales $ 1,291.2 $ 1,443.3 $ 1,459.8 $ 673.4 $ 695.9 $ 766.9 $ 698.5 $ 634.8 $ 4,867.7 $ 2,796.1 $ 2,654.3
Long-lived tangible assets 2,014.3       1,229.0       2,014.3 1,229.0 1,255.8
Geographical Components [Member] | U.S. [Member]
                     
Revenues From External Customers And Long Lived Assets [Line Items]                      
Net sales                 4,320.2 2,251.1 2,126.5
Long-lived tangible assets 901.6       894.5       901.6 894.5  
Geographical Components [Member] | Non-U.S. [Member]
                     
Revenues From External Customers And Long Lived Assets [Line Items]                      
Net sales                 547.5 545.0 527.8
Long-lived tangible assets 1,112.7       334.5       1,112.7 334.5  
Geographical Components [Member] | Canada [Member]
                     
Revenues From External Customers And Long Lived Assets [Line Items]                      
Net sales                 428.9 433.8 428.8
Long-lived tangible assets 144.0       156.4       144.0 156.4  
Geographical Components [Member] | New Zealand [Member]
                     
Revenues From External Customers And Long Lived Assets [Line Items]                      
Net sales                 71.7 71.3 80.6
Long-lived tangible assets 142.2       144.0       142.2 144.0  
Geographical Components [Member] | Italy [Member]
                     
Revenues From External Customers And Long Lived Assets [Line Items]                      
Net sales                 36.4 30.5 8.6
Long-lived tangible assets 34.0       31.9       34.0 31.9  
Geographical Components [Member] | Other [Member]
                     
Revenues From External Customers And Long Lived Assets [Line Items]                      
Net sales                 10.5 9.4 9.8
Long-lived tangible assets 2.1       2.2       2.1 2.2  
Geographical Components [Member] | Mexico [Member]
                     
Revenues From External Customers And Long Lived Assets [Line Items]                      
Long-lived tangible assets $ 790.4       $ 0       $ 790.4 $ 0