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Inventories - Components of Inventories (Detail) (USD $) In Thousands, unless otherwise specified	May 31, 2013	Feb. 28, 2013
Inventory Disclosure [Abstract]
Raw material	$ 14,481	$ 14,470
Work-in-process	6,233	11,238
Finished goods	77,261	83,990
Inventories	$ 97,975	$ 109,698

Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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