Description of Business and Summary of Significant Accounting Policies Inventory (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2015
Inventory Disclosure [Abstract]
Inventory, Raw Materials, Net of Reserves	$ 43,791	$ 46,941
Inventory, Work in Process, Net of Reserves	5,225	4,457
Inventory, Finished Goods, Net of Reserves	104,037	92,630
Inventory	153,053	144,028
Inventory Write-down	$ 2,371	$ 1,256	$ 2,877