Other Financial Statement Information (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Inventories - net
Finished products	$ 41,474	$ 42,382
Work-in-process	7,940	9,196
Raw materials	46,133	46,700
Inventory, gross	95,547	98,278
Excess of current cost over LIFO cost	(4,674)	(5,611)
Noncurrent portion of inventory	(3,957)	(4,054)
Inventory - net	$ 86,916	$ 88,613

Amount before last-in first-out (LIFO) and valuation reserves of merchandise or goods held by the entity that are readily available for sale.

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