XML 42 R29.htm IDEA: XBRL DOCUMENT
v3.21.2

Unbilled Receivables (Tables) | 6 Months Ended
--- | ---
Jul. 04, 2021
Contractors [Abstract] |
Schedule of Unbilled Receivables | Unbilled receivables consisted of the following:
| July 4, 2021 |  | December 31, 2020
Unbilled revenue | $ | 37,015 |  |  | $ | 36,657 |
Advances and progress billings | (29,092) |  |  | (28,633) |
Net unbilled receivables | $ | 7,923 |  |  | $ | 8,024 |

X
- References No definition available. + Details
Name: | us-gaap_ContractorsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of long-term contract or program. + References No definition available. + Details
Name: | us-gaap_CostsInExcessOfBillingsAndBillingsInExcessOfCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration