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v3.19.3

Deferred Revenue and Customer Advances (Tables) | 9 Months Ended
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Sep. 29, 2019
Deferred Revenue and Customer Advances | Deferred revenue and customer advances consist of the following and are included in short and long-term deferred revenue and customer advances on the balance sheet:
|  | September 29, 2019 |  |  | December 31, 2018 |
|  | (in thousands) |
Maintenance and training |  | $ | 61,048 |  |  | $ | 58,362 |
Extended warranty |  |  | 29,937 |  |  |  | 27,422 |
Customer advances, undelivered performance obligations and other |  |  | 47,543 |  |  |  | 24,677 |
Total deferred revenue and customer advances |  | $ | 138,528 |  |  | $ | 110,461 |

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- Definition Schedule of deferred revenue and customer advances. + References No definition available. + Details
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Namespace Prefix: | ter_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration