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Inventory (Tables)

12 Months Ended

Dec. 31, 2012

Inventory

Schedule of composition of inventory, net of reserves

Inventory, net of reserves, consisted of the following amounts (in thousands):

		December 31,
		2012			2011
Parts and supplies		$	232,737		$	212,228
Work in progress		120,930			98,402
Finished goods		34,043			31,465
Inventory, net of reserves		$	387,710		$	342,095

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- Definition

Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 2

-Paragraph 6

-Subparagraph a,b,c

-Article 5

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