Goodwill - Summary of Changes in Carrying Amount of Goodwill (Details) - USD ($) |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2020 |
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| Goodwill | ||||
| Goodwill, Beginning Balance | $ 144,970,000 | $ 124,952,000 | ||
| Acquisitions and Divestitures | (298,000) | 21,670,000 | ||
| Impairment Charge | (86,312,000) | (1,610,000) | $ 0 | |
| Foreign Currency Translations and Other | (78,000) | (42,000) | ||
| Goodwill, Ending Balance | 58,282,000 | 144,970,000 | 124,952,000 | |
| Goodwill, Gross | $ 178,983,000 | |||
| Accumulated Impairment Losses | (120,701,000) | |||
| Goodwill, Net | 58,282,000 | 144,970,000 | 124,952,000 | 58,282,000 |
| Aerospace | ||||
| Goodwill | ||||
| Goodwill, Beginning Balance | 123,038,000 | 124,952,000 | ||
| Acquisitions and Divestitures | 0 | (262,000) | ||
| Impairment Charge | (86,312,000) | (1,610,000) | ||
| Foreign Currency Translations and Other | (78,000) | (42,000) | ||
| Goodwill, Ending Balance | 36,648,000 | 123,038,000 | 124,952,000 | |
| Goodwill, Gross | 157,349,000 | |||
| Accumulated Impairment Losses | (120,701,000) | |||
| Goodwill, Net | 36,648,000 | 123,038,000 | 124,952,000 | 36,648,000 |
| Test Systems | ||||
| Goodwill | ||||
| Goodwill, Beginning Balance | 21,932,000 | 0 | ||
| Acquisitions and Divestitures | (298,000) | 21,932,000 | ||
| Impairment Charge | 0 | 0 | ||
| Foreign Currency Translations and Other | 0 | 0 | ||
| Goodwill, Ending Balance | 21,634,000 | 21,932,000 | 0 | |
| Goodwill, Gross | 21,634,000 | |||
| Accumulated Impairment Losses | 0 | |||
| Goodwill, Net | $ 21,634,000 | $ 21,932,000 | $ 0 | $ 21,634,000 |
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- Definition Goodwill, Acquired (Divested) During Period No definition available.
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| 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 foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits 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 Amount before 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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| X | ||||||||||
- Definition Amount of accumulated impairment loss for 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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| X | ||||||||||
- 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 A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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