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

Goodwill and Other Intangible Assets (Schedule of Estimated Amortization Expense Relating to Intangible Assets) (Details)

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Goodwill and Other Intangible Assets (Schedule of Estimated Amortization Expense Relating to Intangible Assets) (Details)
$ in Thousands
Jun. 30, 2015
USD ($)
Goodwill and Other Intangible Assets [Abstract]  
Remainning 6 months of 2015 $ 37,164
2016 73,437
2017 72,496
2018 71,299
2019 69,104
Thereafter 175,906
Net Book Value $ 499,406