Other Expenses - Additional Information (Detail) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | |
|---|---|---|---|
Jun. 24, 2019 |
Mar. 31, 2019 |
Dec. 31, 2019 |
|
| Other Expenses [Line Items] | |||
| Loss on sale of Energy Steel & Supply Co. | $ 87 | ||
| Westinghouse Electric Company [Member] | |||
| Other Expenses [Line Items] | |||
| Bad debt charge | $ 98 | ||
| Inventory write down | $ 338 | ||
| Energy Steel [Member] | |||
| Other Expenses [Line Items] | |||
| Loss on sale of Energy Steel & Supply Co. | $ 87 |
| X | ||||||||||
- Definition Other expenses. No definition available.
|
| X | ||||||||||
- Definition Write off of trade accounts receivable. No definition available.
|
| X | ||||||||||
- Definition Amount of gain (loss) on sale or disposal of equity in securities of subsidiaries. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|