Inventories (Details) - USD ($) $ in Thousands	May 28, 2016	Feb. 27, 2016
Components of inventories
Raw materials	$ 24,553	$ 21,404
Work-in-process	12,723	9,958
Finished goods	26,352	25,486
Costs and earnings in excess of billings on uncompleted contracts	5,902	6,538
Total inventories	$ 69,530	$ 63,386

Amount of receivable reflecting the cost incurred on uncompleted contracts in excess of related billings which is expected to be collected within one year or the normal operating cycle, if longer.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

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