CAPITAL CONSTRUCTION FUND (Details) $ in Millions	1 Months Ended	12 Months Ended
Feb. 29, 2024 USD ($)	Dec. 31, 2023 USD ($) item	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Maximum Period to Commit Fund Deposits for Qualified Purposes		25 years
Period over which deposits will be treated as non-qualified withdrawals		5 years
Cash deposits into CCF		$ 128.5	$ 582.8	$ 31.2
Qualifying cash withdrawal payments		49.9	64.6	$ 31.2
Accounts receivable, net		$ 279.4	268.5
Number of vessels under agreements for construction \| item		3
Purchase price	$ 450.0
Fixed rate investments, Maturity date	3 years
Eligible Accounts Receivable Assigned to CCF
Capital construction fund		$ 599.4	518.2
Cash deposits into CCF		100.0	579.7
Interest earned on deposits		31.1	3.1
Qualifying cash withdrawal payments		(49.9)	(64.6)
Accounts receivable, net		$ 218.1	$ 9.9
Weighted average life of securities held within the fund		68 days

The balance of cash on deposit in capital construction fund.

No definition available.

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- Definition

Amount of cash inflow associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.

+ References

No definition available.

+ Details

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- Definition

Amount of cash outflow associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.

+ References

No definition available.

+ Details

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- Definition

The amount of interest earned from the capital construction fund.

+ References

No definition available.

+ Details

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- Definition

maturity date of fixed rate investments.

+ References

No definition available.

+ Details

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- Definition

Represents the maximum period from the date of deposit to commit deposits for qualified purposes.

+ References

No definition available.

+ Details

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- Definition

Number of vessels under agreements for construction.

+ References

No definition available.

+ Details

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- Definition

The period over which deposits not committed for qualified purposes longer than the maximum specified period from the date of deposit will be treated as non-qualified withdrawals.

+ References

No definition available.

+ Details

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- Definition

Weighted average life of securities held within the fund, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

The cash outflow associated with the purchase of all investments (debt, security, other) during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-13

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- Definition

The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481372/852-10-55-10

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