Gain (Loss) On Exchange of Convertible Debt Instrument

No definition available.

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- Definition

Impairment, Restructuring, And Other (Recoveries) Charges, Continuing Operations

+ References

No definition available.

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- Definition

Amount of expense (reversal of expense) for allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), not intended to be sold and not more likely than not will be required to sell before recovery of amortized cost basis, with previously recorded allowance.

+ References

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- 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Amount of restructuring charges, remediation cost, and asset impairment loss.

+ References

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IMPAIRMENT, RESTRUCTURING AND OTHER - Impairment, Restructuring and Other Charges (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Jun. 27, 2026	Jun. 28, 2025	Mar. 29, 2025	Jun. 27, 2026	Jun. 28, 2025
Restructuring Cost and Reserve [Line Items]
Impairment, restructuring and other	$ 47.0	$ (1.0)		$ 51.0	$ 25.9
Loss on exchange of convertible debt			$ 7.0
Total impairment, restructuring and other charges, net	48.2	1.0		53.5	34.5
Additions to previously recognized expected credit losses	16.6	0.0		16.6	0.0
Income Statement Location [Axis]: us-gaap:RestructuringSettlementAndImpairmentProvisions
Restructuring Cost and Reserve [Line Items]
Loss on exchange of convertible debt		0.0		0.0	7.0
Income Statement Location [Axis]: us-gaap:RestructuringSettlementAndImpairmentProvisions \| Restructuring and other charges, net
Restructuring Cost and Reserve [Line Items]
Impairment, restructuring and other	30.4	(1.0)		34.4	18.9
Income Statement Location [Axis]: smg:CostOfSalesImpairmentRestructuringAndOtherCharges \| Restructuring and other charges, net
Restructuring Cost and Reserve [Line Items]
Impairment, restructuring and other	1.2	2.0		2.5	6.1
Income Statement Location [Axis]: smg:CostOfSalesImpairmentRestructuringAndOtherCharges \| Right-of-use asset impairments
Restructuring Cost and Reserve [Line Items]
Impairment, restructuring and other	$ 0.0	$ 0.0		$ 0.0	$ 2.5