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No definition available.

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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.

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Amount classified as deferred revenue attributable to disposal group held for sale or disposed of.

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- Definition

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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- Definition

The cash inflow from the sale of formerly productive land held for sale, anything permanently fixed to it, including buildings, structures on it, and so forth.

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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.

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Subsequent Events - Additional Information (Details) - USD ($) $ in Millions				1 Months Ended
	Apr. 30, 2026	Apr. 21, 2026	Apr. 14, 2026	Apr. 30, 2026
Spire Marketing [Member] \| Discontinued Operations, Held-for-Sale [Member]
Subsequent Event [Line Items]
Cash proceeds from sale of business	$ 212.0
Subsequent Event [Member] \| Spire Marketing [Member] \| Discontinued Operations, Held-for-Sale [Member]
Subsequent Event [Line Items]
Cash proceeds from sale of business	212.0
Subsequent Event [Member] \| Spire Storage [Member] \| Discontinued Operations, Held-for-Sale [Member]
Subsequent Event [Line Items]
Cash proceeds from sale of business			$ 600.0	$ 600.0
Total expected consideration from transaction	650.0		650.0	650.0
Deferred payment expected to be received in fiscal 2027	$ 50.0		$ 50.0	$ 50.0
Subsequent Event [Member] \| Spire Mississippi [Member] \| Asset Held for Sale (Continuing Operations) [Member]
Subsequent Event [Line Items]
Cash purchase price		$ 75.0
Reverse termination fee		$ 7.5