| 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 | |
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available. 
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