Inventories (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Inventory [Line Items]
Inventory, Raw Materials, Gross	$ 94,437us-gaap_InventoryRawMaterials	$ 93,014us-gaap_InventoryRawMaterials
Inventory, Work in Process, Gross	35,631us-gaap_InventoryWorkInProcess	42,996us-gaap_InventoryWorkInProcess
Inventory, Finished Goods, Gross	85,657us-gaap_InventoryFinishedGoods	76,994us-gaap_InventoryFinishedGoods
Inventories, net	215,725us-gaap_InventoryNet	213,004us-gaap_InventoryNet
Inventory Valuation Reserves	$ 5,233us-gaap_InventoryValuationReserves	$ 6,556us-gaap_InventoryValuationReserves

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

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

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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.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

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-Section 02

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Amount of valuation reserve for inventory.

+ References

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

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-Name Accounting Standards Codification

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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.

+ References

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-Name Regulation S-X (SX)

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