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Inventories (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012
Inventories
Raw materials	$ 85,490	$ 95,959	$ 75,580
In-process products	18,759	16,878	21,594
Finished products	91,998	91,287	88,043
Total inventories	$ 196,247	$ 204,124	$ 185,217

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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