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Inventories (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012
Inventories
Raw materials	$ 75,032	$ 95,959	$ 66,508
In-process products	18,070	16,878	19,225
Finished products	94,153	91,287	86,288
Total inventories	$ 187,255	$ 204,124	$ 172,021

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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