Retirement and Postretirement Benefit Plans (Details 2)	12 Months Ended
	Feb. 29, 2012	Feb. 28, 2011
U.S. Pension Plans [Member]
Benefit obligations at measurement date
Benefit obligations at measurement date		5.25%
Net periodic benefit cost
Net periodic benefit cost	5.25%
Expected long-term return on plan assets	7.00%	7.00%
Rate of compensation increase	6.50%	6.50%
U.S. Pension Plans [Member] | Minimum [Member]
Benefit obligations at measurement date
Benefit obligations at measurement date	4.00%
Net periodic benefit cost
Net periodic benefit cost		5.50%
U.S. Pension Plans [Member] | Maximum [Member]
Benefit obligations at measurement date
Benefit obligations at measurement date	4.25%
Net periodic benefit cost
Net periodic benefit cost		5.75%
United States Postretirement Benefit Plans of US Entity, Defined Benefit [Member]
Benefit obligations at measurement date
Benefit obligations at measurement date	4.00%	5.50%
Net periodic benefit cost
Net periodic benefit cost	5.50%	5.75%
Expected long-term return on plan assets	7.00%	7.00%
International Pension Plans [Member]
Benefit obligations at measurement date
Benefit obligations at measurement date	4.45%	5.15%
Net periodic benefit cost
Net periodic benefit cost	5.15%	5.50%
Expected long-term return on plan assets	5.50%	5.50%
Rate of compensation increase	3.00%	3.00%
Postretirement benefit plan [Member]
Net periodic benefit cost
Expected long-term return on plan assets	7.00%
Health care cost trend rates
For year following February 28 or 29	9.50%	10.00%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)	5.00%	5.00%
Year the rate reaches the ultimate trend rate	2021	2021