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Inventories (Details) (USD $) In Thousands, unless otherwise specified	Nov. 30, 2012	Feb. 29, 2012
Components of inventories
Raw material	$ 14,994	$ 22,217
Work-in-process	8,857	11,194
Finished goods	85,630	99,161
Total inventories	$ 109,481	$ 132,572

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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