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Prepayments | 3 Months Ended
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Apr. 04, 2021
Prepayments [Abstract] |
Prepayments | H. PREPAYMENTS Prepayments consist of the following and are included in prepayments and other assets on the balance sheet:
|  | April 4, |  |  | December 31, |
|  | 2021 |  |  | 2020 |
|  | (in thousands) |
Contract manufacturer and supplier prepayments |  | $ | 291,175 |  |  | $ | 212,286 |
Prepaid maintenance and other services |  |  | 15,521 |  |  |  | 13,116 |
Prepaid taxes |  |  | 13,814 |  |  |  | 9,361 |
Other prepayments |  |  | 16,072 |  |  |  | 15,329 |
Total prepayments |  | $ | 336,582 |  |  | $ | 250,092 |

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- Definition Prepaid expense disclosure. + References No definition available. + Details
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Namespace Prefix: | ter_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | ter_PrepaymentsAbstract
Namespace Prefix: | ter_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration