Affiliate line of credit facility maturity period

No definition available.

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- Definition

Asset retirement obligation depreciation and accretion.

+ References

No definition available.

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- Definition

Collective bargaining agreement expiration month year.

+ References

No definition available.

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- Definition

Commitments and contingencies.

+ References

No definition available.

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- Definition

Guarantee obligations outstanding.

+ References

No definition available.

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- Definition

Number of railcars commitment.

+ References

No definition available.

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- Definition

Percentage of employees represented in labor union.

+ References

No definition available.

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and due beyond one year (or beyond one operating cycle if longer) to insurance entities to mitigate potential loss from various risks or to satisfy a promise to provide certain coverages to employees.

+ References

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

+ References

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- Definition

For an unclassified balance sheet, amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership.

+ References

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- Definition

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

+ References

No definition available.

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- Definition

The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.

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- Definition

Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).

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Commitments and Contingencies - Additional Information (Detail) $ in Millions	1 Months Ended	12 Months Ended
	Jan. 31, 2022	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Oct. 31, 2022 USD ($) Railcars
Commitments And Contingencies [Line Items]
Purchase commitments for property, plant and equipment		$ 328.5
Asset retirement obligation depreciation and accretion		15.5	$ 11.9	$ 14.5
Liability reserve for insurance claims		48.2	42.0
Outstanding letters of credit		21.8
Due from affiliate		$ 2.6
Line of credit maturity period		2024-03
Guarantee of affiliate's obligations		$ 15.0
Capital expenditures		$ 89.6	99.0	$ 77.0
Capital expenditures					$ 75.8
Percentage of employees represented in labor union		13.00%
Number of Railcars Commitment \| Railcars					691
Woodville
Commitments And Contingencies [Line Items]
Collective bargaining agreement expiration month year		2026-06
Magnesia Specialties
Commitments And Contingencies [Line Items]
Collective bargaining agreement expiration month year		2027-08
Interest-only loan receivable
Commitments And Contingencies [Line Items]
Due from affiliate		$ 6.0	6.0
Maturity date		Dec. 31, 2024
Debt Instrument, Basis Spread on Variable Rate	1.625%
Surety Bonds
Commitments And Contingencies [Line Items]
Surety bonds		$ 678.5
Revolving Facility
Commitments And Contingencies [Line Items]
Outstanding letters of credit		2.6	$ 2.6
Capital Addition Purchase Commitments
Commitments And Contingencies [Line Items]
Purchase commitments for property, plant and equipment		130.4
Energy And Service Contracts
Commitments And Contingencies [Line Items]
Purchase commitments for property, plant and equipment		$ 198.1