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Goodwill and Other Intangible Assets (Schedule of Goodwill) (Details) (USD $)
In Thousands, unless otherwise specified |
6 Months Ended |
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Jun. 30, 2013
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| Balance at December 31, 2012 | $ 822,475 |
| Effect of currency translation | (12) |
| Balance at March 31, 2013 | $ 822,463 |
| X | ||||||||||
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- Definition
Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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