SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Inventory (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Accounting Policies [Abstract]
Raw materials and purchased parts	$ 9,668	$ 12,633
Inventory, Work in Process, Gross	185,915us-gaap_InventoryWorkInProcess	192,206us-gaap_InventoryWorkInProcess
Inventory, Finished Goods, Gross	78,609us-gaap_InventoryFinishedGoods	73,403us-gaap_InventoryFinishedGoods
Inventories	$ 274,192us-gaap_InventoryNet	$ 278,242us-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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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

+ References

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

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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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-Section 02

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