Realignment Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2015	Aug. 01, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 307	$ 61	$ 456	$ 900
Restructuring Reserve, Period Increase (Decrease)	1,260	437
Restructuring Reserve, Adjustment Description	(1,014)	(832)
Gain (Loss) on Disposition of Assets	(6,602)	(286)	$ (2,651)
Restructuring Charges	8,000
One-time Termination Benefits [Member] | Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	1,300	200
One-time Termination Benefits [Member] | Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		200
Other Restructuring [Member] | Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		200
Other Restructuring [Member] | Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 6,700	$ 300