Deferred Tax Assets, Operating Loss Carryforwards, Domestic, Subject To Limitation

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- Definition

Deferred Tax Assets, Valuation Allowance Related To Other Items

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- Definition

Operating Loss Carryforwards, State and Local

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Tax Loss Carryforwards, Maximum Period Carried Forward

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Tax Loss Carryforwards, Minimum Period Carried Forward

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from investments (excludes investments in subsidiaries and equity method investments).

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No definition available.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards.

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign tax credit carryforwards.

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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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.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
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The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.

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Amount of valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from tax credit carryforwards for which it is more likely than not that a tax benefit will not be realized.

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Amount of unrecognized tax benefits.

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Amount of statutory penalties accrued for a tax position claimed or expected to be claimed by the entity, in its tax return.

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Amount of interest expense accrued for an underpayment of income taxes.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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INCOME TAXES - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Investments, Owned, Federal Income Tax Note [Line Items]
Deferred Tax Assets, Net of Valuation Allowance	$ 323.4	$ 298.0
Deferred Tax Assets, Valuation Allowance	(87.7)	(40.7)
Convertible debt investments	33.4	25.3
Foreign tax credit carryovers	16.3	15.0
Deferred tax assets subject to limitation	10.5	10.7
Net operating loss carryovers	67.3	21.7
Gross unrecognized tax benefits	34.6	35.8	$ 24.1	$ 30.2
Unrecognized tax benefits that would have an impact on the effective tax rate	31.1	31.5	19.9
Unrecognized tax benefits accrued payment of interest	3.9	3.2	2.7
Unrecognized tax benefits accrued payment of penalties	1.3	1.6	$ 1.6
Other assets
Investments, Owned, Federal Income Tax Note [Line Items]
Deferred Tax Assets, Net of Valuation Allowance	189.8	143.5
Other liabilities
Investments, Owned, Federal Income Tax Note [Line Items]
Deferred Tax Liabilities, Net	1.1	8.5
AeroGrow International Inc.
Investments, Owned, Federal Income Tax Note [Line Items]
Statutory tax benefit of net operating loss carryovers and related valuation allowances	10.2
Foreign Country
Investments, Owned, Federal Income Tax Note [Line Items]
Deferred Tax Assets, Valuation Allowance	(6.4)
Foreign tax credit carryovers	16.3	15.0
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	8.3	3.7
U.S. state and local tax authorities
Investments, Owned, Federal Income Tax Note [Line Items]
Deferred Tax Assets, Valuation Allowance	(6.9)
Foreign tax credit carryovers	1.4	1.4
Valuation allowance for state credits	1.3
State net operating losses carryforward	$ 15.2	$ 7.3
State net operating losses carryforward period, minimum	5 years
State net operating losses carryforward period, maximum	20 years
Valuation allowance related to other state items	$ 2.2
Domestic Tax Authority
Investments, Owned, Federal Income Tax Note [Line Items]
Net operating loss carryovers	33.3
State Administration of Taxation, China \| Foreign Country
Investments, Owned, Federal Income Tax Note [Line Items]
Deferred Tax Assets, Valuation Allowance	$ (11.0)