Inventories (Schedule of Inventories) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Inventory Disclosure [Abstract]
Raw material	$ 58,665us-gaap_InventoryRawMaterials	$ 52,751us-gaap_InventoryRawMaterials
Work-in-process	12,841us-gaap_InventoryWorkInProcess	11,100us-gaap_InventoryWorkInProcess
Finished goods	57,237us-gaap_InventoryFinishedGoods	57,301us-gaap_InventoryFinishedGoods
Total inventories	$ 128,743us-gaap_InventoryNet	$ 121,152us-gaap_InventoryNet

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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-Name Regulation S-X (SX)

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