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Summary of Significant Accounting Policies (Details 3) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2013 issue | Dec. 31, 2012 | Dec. 31, 2011
Goodwill and Other Intangible Assets |  |  |
Goodwill | $ 492,398 | $ 1,380,689 | $ 1,180,359
Other intangible assets | $ 359,648 | $ 706,477 |
Goodwill as a percentage of total assets | 22.50% |  |
Other intangible assets as a percentage of total assets | 16.50% |  |
Number of issues that arise with respect to assets that require significant management estimates and judgment | 2 |  |
Land improvements | Minimum |  |  |
Estimated useful lives of property and equipment |  |  |
Useful lives | 5 years |  |
Land improvements | Maximum |  |  |
Estimated useful lives of property and equipment |  |  |
Useful lives | 15 years |  |
Building and improvements | Minimum |  |  |
Estimated useful lives of property and equipment |  |  |
Useful lives | 5 years |  |
Building and improvements | Maximum |  |  |
Estimated useful lives of property and equipment |  |  |
Useful lives | 40 years |  |
Furniture, fixtures and equipment | Minimum |  |  |
Estimated useful lives of property and equipment |  |  |
Useful lives | 3 years |  |
Furniture, fixtures and equipment | Maximum |  |  |
Estimated useful lives of property and equipment |  |  |
Useful lives | 31 years |  |

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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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