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Goodwill (Tables) | 9 Months Ended
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Sep. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Changes in Carrying Amount of Goodwill | Changes in the carrying amount of goodwill by segment is shown below:
| Services |  | International |  | Products and Systems |  | Total
Balance at December 31, 2020 | $ | 190,112 |  |  | $ | 15,896 |  |  | $ | — |  |  | $ | 206,008 |
Goodwill acquired during the period | 280 |  |  | — |  |  | — |  |  | 280 |
Adjustments to preliminary purchase price allocations | — |  |  | — |  |  | — |  |  | — |
Foreign currency translation | 189 |  |  | (820) |  |  | — |  |  | (631) |
Balance at September 30, 2021 | $ | 190,581 |  |  | $ | 15,076 |  |  | $ | — |  |  | $ | 205,657 |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 + Details
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