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Summary of Significant Accounting Policies (Inventories) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Inventory Disclosure [Abstract]
Raw materials	$ 29,755	$ 26,645
Work in process	34,231	33,757
Finished goods	71,307	71,834
Total inventories	$ 135,293	$ 132,236

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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