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Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2014
Goodwill [Abstract] |
Changes In The Carrying Amount Of Goodwill By Geographic Reporting Unit |
(in thousands) |  | Americas |  | EMEA |  | Asia Pacific |  | Total
Balance at January 1, 2013 |  | $ | 168,202 |  | $ | 40,276 |  | $ | 31,836 |  | $ | 240,314
Effect of foreign currency exchange rates |  |  | — |  |  | 2,145 |  |  | (967) |  |  | 1,178
Goodwill acquired through acquisitions |  |  | 96,533 |  |  | 28,734 |  |  | 3,307 |  |  | 128,574
Balance at December 31, 2013 |  |  | 264,735 |  |  | 71,155 |  |  | 34,176 |  |  | 370,066
Effect of foreign currency exchange rates |  |  | 1,804 |  |  | (17,238) |  |  | (992) |  |  | (16,426)
Goodwill acquired through acquisitions |  |  | 72,872 |  |  | 163,025 |  |  | — |  |  | 235,897
Balance at December 31, 2014 |  | $ | 339,411 |  | $ | 216,942 |  | $ | 33,184 |  | $ | 589,537

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + 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=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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