Inventories - Narrative (Details) - USD ($) $ in Thousands |
Dec. 31, 2019 |
Dec. 31, 2018 |
|---|---|---|
| Inventory [Line Items] | ||
| Reserve for inventory valuation | $ 33,600 | $ 20,800 |
| Percentage of reserve for inventory valuation | 18.70% | 12.00% |
| Held for Sale | Test Systems | ||
| Inventory [Line Items] | ||
| Inventories | $ 14,385 |
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- Definition Inventory valuation reserves as percentage of gross inventory. No definition available.
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- Definition Amount classified as inventory attributable to disposal group held for sale or disposed of. 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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- Definition Amount of valuation reserve for inventory. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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