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Goodwill and Other Intangible Assets, Net (Tables) | 6 Months Ended
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Jun. 30, 2013
Goodwill And Intangible Assets Disclosure [Abstract] |
Components of Goodwill and Other Intangible Assets, Net | The components of goodwill and other intangible assets, net at June 30, 2013 and December 31, 2012 were as follows (in thousands):
|  | June 30, |  |  | December 31, |
|  | 2013 |  |  | 2012 |
Goodwill |  | $ | 383,926 |  |  | $ | 376,548 |
Intangible assets: |  |  |  |  |  |  |  |
Client lists |  |  | 136,303 |  |  |  | 134,987 |
Other intangible assets |  |  | 8,293 |  |  |  | 8,501 |
Total intangible assets |  |  | 144,596 |  |  |  | 143,488 |
Total goodwill and intangibles assets |  |  | 528,522 |  |  |  | 520,036 |
Accumulated amortization: |  |  |  |  |  |  |  |
Client lists |  |  | (48,576 | ) |  |  | (44,293 | )
Other intangible assets |  |  | (4,965 | ) |  |  | (4,746 | )
Total accumulated amortization |  |  | (53,541 | ) |  |  | (49,039 | )
Goodwill and other intangible assets, net |  | $ | 474,981 |  |  | $ | 470,997 |

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- Definition Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class. + 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 + Details
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