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Inventories (Details) (USD $)	Sep. 30, 2012	Dec. 31, 2011
Inventories [Abstract]
Raw materials	$ 38,800,000	$ 38,500,000
Work-in-process	7,700,000	6,000,000
Finished goods	26,100,000	26,100,000
Packaging and supplies	20,500,000	20,200,000
Total inventories	$ 93,143,000	$ 90,760,000

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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