Inventories (Schedule Of Inventories) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014
Inventory Disclosure [Abstract]
Raw materials	$ 119,213us-gaap_InventoryRawMaterials	$ 111,366us-gaap_InventoryRawMaterials	$ 80,080us-gaap_InventoryRawMaterials
Work in process	4,395us-gaap_InventoryWorkInProcess	2,624us-gaap_InventoryWorkInProcess	4,583us-gaap_InventoryWorkInProcess
Finished goods	14,668us-gaap_InventoryFinishedGoods	18,502us-gaap_InventoryFinishedGoods	14,354us-gaap_InventoryFinishedGoods
Inventories, net	$ 138,276us-gaap_InventoryNet	$ 132,492us-gaap_InventoryNet	$ 99,017us-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.

+ References

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-Publisher SEC

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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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-Publisher SEC

-Name Regulation S-X (SX)

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