SEGMENTS - Narrative (Details) - USD ($) |
3 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
Oct. 03, 2021 |
Mar. 28, 2020 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Segment Reporting Information | |||||
| Goodwill impairment loss | $ 0 | $ 0 | $ 86,312,000 | $ 1,600,000 | |
| Goodwill | 58,282,000 | 58,282,000 | 144,970,000 | ||
| Aerospace | |||||
| Segment Reporting Information | |||||
| Goodwill impairment loss | $ 86,300,000 | 86,312,000 | |||
| Intangible asset impairment charge | 6,200,000 | ||||
| Goodwill | 36,648,000 | 36,648,000 | 123,038,000 | ||
| Test Systems | |||||
| Segment Reporting Information | |||||
| Goodwill impairment loss | 0 | ||||
| Goodwill | $ 21,634,000 | $ 21,634,000 | $ 21,932,000 | ||
| X | ||||||||||
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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