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Goodwill (Changes in Goodwill) (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012
Goodwill [Roll Forward] |  |
Goodwill at beginning of year | $ 218,442,000 | $ 193,962,000
Increase in goodwill related to acquisitions | 3,843,000 | 25,683,000
Impairments and changes in previous estimates | (101,000) | (1,118,000)
Reclassification of assets held for sale | 0 | 85,000
Decrease in Goodwill Due to Divestitures | (1,097,000) | 0
Goodwill at the end of the year | 221,087,000 | 218,442,000
impairment related to discontinued operation | $ 100,000 |

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