Related Party Transactions	6 Months Ended
Jun. 30, 2011
Related Party Transactions
Related Party Transactions	14. Related Party Transactions Sales to NISCO, a 40% owned joint venture, totaled $5,372 for the three months ended June 30, 2011, $2,401 for the one month ended June 30, 2010 and $4,794 for the two months ended May 31, 2010. Sales to NISCO totaled $14,033 and $12,273 for the six months ended June 30, 2011 and for the five months ended May 31, 2010, respectively. In March 2011, the Company received from NISCO a dividend of $4,750, all of which was related to earnings. In March 2011, the Company sold a 10% ownership interest in NISCO for $16,000. As a result of this transaction, the Company's ownership percentage in NISCO has decreased from 50% to 40%, and a gain of $11,423 was recognized in other income in the condensed consolidated financial statements for the period ended March 31, 2011. Purchases of materials from Guyoung Technology Co. Ltd, a Korean corporation of which the Company owns approximately 20% of the common stock, totaled $733 for the three months ended June 30, 2011, $897 for the one month ended June 2010, and $1,835 for the two months ended May 31, 2010. Purchases of material from Guyoung Technology Co. Ltd totaled $1,592 and $4,052 for the six months ended June 30, 2011 and for the five months ended May 31, 2010, respectively.

The entire disclosure for related party transactions, including the nature of the relationship(s), a description of the transactions, the amount of the transactions, the effects of any change in the method of establishing the terms of the transaction from the previous period, stated interest rate, expiration date, terms and manner of settlement per the agreement with the related party, and amounts due to or from related parties. If the entity and one or more other entities are under common ownership or management control and this control affects the operating results or financial position, disclosure includes the nature of the control relationship even if there are no transactions between the entities. Disclosure may also include the aggregate amount of current and deferred tax expense for each statement of earnings presented where the entity is a member of a group that files a consolidated tax return, the amount of any tax related balances due to or from affiliates as of the date of each statement of financial position presented, the principal provisions of the method by which the consolidated amount of current and deferred tax expense is allocated to the members of the group and the nature and effect of any changes in that method. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
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-Section S99
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-Subparagraph (SX 210.4-08.(k))
-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 3A
-Section 04
-Paragraph b

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 57
-Paragraph 1-4
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
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Reference 8: http://www.xbrl.org/2003/role/presentationRef
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Reference 9: http://www.xbrl.org/2003/role/presentationRef
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+ Details