Sale of Product Line (Details) - USD ($) $ in Thousands |
Jun. 28, 2019 |
Sep. 30, 2019 |
Dec. 31, 2018 |
|---|---|---|---|
| Sale of Product Line [Line Items] | |||
| Property, plant and equipment, net | $ 1,178,479 | $ 1,208,979 | |
| Sulfate Salts Product Line | Disposal Group, Disposed of by Sale, Not Discontinued Operations | |||
| Sale of Product Line [Line Items] | |||
| Consideration for sale of product line | $ 28,000 | ||
| Pre-tax gain on sale | 11,362 | ||
| Net working capital | 4,215 | ||
| Property, plant and equipment, net | 3,423 | ||
| Deferred revenue | $ 9,000 |
| X | ||||||||||
- Definition Amount of consideration received or receivable for the disposal of assets and liabilities, which is not accounted for as a discontinued operation. No definition available.
|
| X | ||||||||||
- Definition Sum of the net carrying amounts as of the balance sheet date of accounts receivable, inventory and accounts payable. No definition available.
|
| X | ||||||||||
- Definition Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- 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.
|
| X | ||||||||||
- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|