Quarterly report pursuant to Section 13 or 15(d)

Restructuring Charges (Details Textual)

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Restructuring Charges (Details Textual) (Fiscal 2012 Initiative [Member], USD $)
In Millions, unless otherwise specified
9 Months Ended 3 Months Ended 9 Months Ended 19 Months Ended
Nov. 30, 2012
Nov. 30, 2012
Employee termination benefit costs [Member]
Nov. 30, 2012
Employee termination benefit costs [Member]
Nov. 30, 2012
Maximum [Member]
Nov. 30, 2012
Minimum [Member]
Restructuring Cost and Reserve [Line Items]          
Date of recognition of all costs in the Consolidated Statements of Comprehensive Income Feb. 28, 2013        
Approximate reduction in global workforce       3.00% 2.00%
Expected completion of cash expenditures Feb. 28, 2013        
Reversal of prior accruals   $ 0.5 $ 0.5