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Other Long-Term Liabilities (Tables) | 3 Months Ended
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Mar. 31, 2018
Other Long-Term Liabilities [Abstract] |
Schedule of other long-term liabilities |
|  | December 31, 2017 |  | March 31, 2018 |
Contract liabilities, net of current portion |  | $ | 21,033 |  | $ | 20,315 |
Deferred rent and other facility costs |  |  | 7,113 |  |  | 6,957 |
Deferred payments related to acquisitions |  |  | 6,385 |  |  | 6,020 |
Loss on facilities not in use |  |  | 5,652 |  |  | 5,091 |
Lease incentives |  |  | 2,832 |  |  | 2,857 |
Other long-term liabilities |  | $ | 43,015 |  | $ | 41,240 |

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- Definition Tabular disclosure of other noncurrent liabilities. + References No definition available. + Details
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