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Summary of Significant Accounting Policies (Details 2) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2015 USD ($) item | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Goodwill and Other Intangible Assets |  |  |
Goodwill | $ 911,942 | $ 874,184 | $ 951,953
Other intangible assets, net | $ 391,442 | $ 419,453 |
Number of issues that arise with respect to assets that require significant management estimates and judgment | item | 2 |  |
Land Improvements |  |  |
Estimated useful lives of property and equipment |  |  |
Useful lives | 15 years |  |
Building and Building Improvements | Minimum |  |  |
Estimated useful lives of property and equipment |  |  |
Useful lives | 5 years |  |
Building and Building Improvements | Maximum |  |  |
Estimated useful lives of property and equipment |  |  |
Useful lives | 31 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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