Accumulated Other Comprehensive Income (Loss) - Changes in Accumulated Other Comprehensive Income (Loss) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 28, 2014	Feb. 28, 2013	Feb. 29, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ (17,133)
Other comprehensive income (loss) before reclassifications	14,970
Amounts reclassified from accumulated other comprehensive income (loss)	2,915
Other comprehensive income (loss), net of tax	17,885	(5,303)	(9,484)
Ending Balance	752	(17,133)
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	12,594
Other comprehensive income (loss) before reclassifications	11,561
Amounts reclassified from accumulated other comprehensive income (loss)	984
Other comprehensive income (loss), net of tax	12,545
Ending Balance	25,139
Pensions and Postretirement Benefits [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(29,731)
Other comprehensive income (loss) before reclassifications	3,413
Amounts reclassified from accumulated other comprehensive income (loss)	1,931
Other comprehensive income (loss), net of tax	5,344
Ending Balance	(24,387)
Unrealized Investment Gain [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	4
Other comprehensive income (loss) before reclassifications	(4)
Amounts reclassified from accumulated other comprehensive income (loss)
Other comprehensive income (loss), net of tax	(4)
Ending Balance