Consolidated Statement of Shareholders' Equity (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Feb. 29, 2012	Feb. 28, 2011	Feb. 28, 2010
Tax effect of, Pension and postretirement adjustments	$ 4,457	$ 8,083	$ 5,837
Tax effect of, Reclassification of currency translation adjustment	0		0
Tax effect of, Unrealized gain on available-for-sale securities	0	0	0
Dividends declared per share	$ 0.60	$ 0.56	$ 0.36
Accumulated Other Comprehensive (Loss) Income
Tax effect of, Pension and postretirement adjustments	4,457	8,083	5,837
Tax effect of, Reclassification of currency translation adjustment	0		0
Tax effect of, Unrealized gain on available-for-sale securities	$ 0	$ 0	$ 0
Retained Earnings
Dividends declared per share	$ 0.60	$ 0.56	$ 0.36