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Fair Value Measurement (Narrative) (Details) (USD $) | 12 Months Ended |  | 1 Months Ended
--- | --- | --- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009 | Dec. 31, 2010 Parent Company [Member] | Dec. 31, 2011 Zero-Coupon Government Bonds [Member] Quoted Prices In Active Markets (Level 1) [Member] | Dec. 31, 2011 Zero-Coupon Government Bonds [Member] Significant Other Observable Inputs (Level 2) [Member] | Dec. 31, 2011 Aerospace [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |
Net asset value per share | $ 1.00 |  |  |  |  |  |
Fair value of financial asset |  |  |  |  | $ 9,600,000 | $ 900,000 |
Contingent consideration in other current liabilities | 4,000,000 |  |  |  |  |  |
Proceeds from divestiture of business | 376,025,000 | 181,550,000 | 314,213,000 | 53,466,000 |  |  | 280,000,000
Contingent consideration in other liabilities | $ 5,700,000 |  |  |  |  |  |

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- Definition Fair value, investments, entities that calculate net asset value per share, unobservable input, realized losses per share. + References No definition available. + Details
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- Definition This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References No definition available. + Details
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- Definition Current portion of the fair value as of the acquisition date of potential payments under the contingent consideration arrangement, including cash and shares as applicable. + References No definition available. + Details
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- Definition Noncurrent portion of the fair value as of the acquisition date of potential payments under the contingent consideration arrangement, including cash and shares as applicable. + References No definition available. + Details
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- Details
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- Definition The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 15, 16 -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3179-108585 + Details
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