Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Goodwill and Other Intangible Assets (Schedule of Goodwill) (Details)

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Goodwill and Other Intangible Assets (Schedule of Goodwill) (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2013
Balance at December 31, 2012 $ 822,475
Effect of currency translation (12)
Balance at March 31, 2013 $ 822,463