Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Goodwill and Other Intangible Assets (Narrative) (Details)

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Goodwill and Other Intangible Assets (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Amortization of intangible assets $ 61,300 $ 8,100 $ 3,800
Weighted average remaining amortization period 8 years 9 years 4 months 26 days