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Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | ---
Aug. 23, 2021 | Aug. 01, 2021 | Jun. 30, 2021 | Jun. 30, 2021 | Jun. 30, 2020
Subsequent Event [Line Items] |  |  |  |  |
Repayments of long-term debt |  |  |  | $ 900,000 | $ 0
Performance Chemicals |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Repayments of long-term debt |  |  | $ 526,363 |  |
Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Cash dividend per share | $ 3.20 |  |  |  |
Subsequent Event | Performance Chemicals |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Purchase price to sell Performance Chemicals |  | $ 1,100,000 |  |  |
2016 Term Loan Facility | Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Repayments of long-term debt |  | 231,363 |  |  |
5.750% Senior Notes due 2025 | Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Repayments of Unsecured Debt |  | $ 295,000 |  |  |

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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
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- Definition Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation. + References No definition available. + Details
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- Definition The cash outflow to pay off borrowing used to receive debt funding on a regular basis with maturities ranging from 5-10 years. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585 + Details
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- Definition The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of tax exempt unsecured debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585 + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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- Details
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