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Spin-off Restructuring Reserve, Current

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Amount for accounts payable to related parties.

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For an unclassified balance sheet, amount of receivables arising from transactions with related parties.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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Percentage of equity in the acquiree held by the acquirer immediately before the acquisition date in a business combination.

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The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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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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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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Related Party Transactions (Details) - USD ($) $ in Millions			3 Months Ended		9 Months Ended
	Jan. 28, 2019	Nov. 15, 2018	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Sep. 30, 2018
Related Party Transaction [Line Items]
Selling, general and administrative expense			$ 127.6	$ 111.9	$ 373.5	$ 315.3
Cost of products sold			400.9	216.7	1,059.5	717.6
Other items, net			0.8	11.3	13.9	9.1
Due to Spectrum			10.7		10.7		$ 0.0
Net earnings			7.4	$ 23.8	4.9	$ 92.0
Transition Services Agreement
Related Party Transaction [Line Items]
Selling, general and administrative expense			5.7		10.7
Cost of products sold			0.3		0.7
Other items, net			(0.7)		(0.8)
Expense resulting from supply agreement			4.8		9.2
Due to Spectrum			10.7		10.7
Receivable from agreement			18.9		18.9
Transition Services Agreement \| Accounts Payable
Related Party Transaction [Line Items]
Expense resulting from supply agreement					0.2
Transition Services Agreement \| Discontinued Operations
Related Party Transaction [Line Items]
Other items, net			(0.3)		(1.0)
Payable to related party			10.9		10.9
Net earnings			(4.0)		(8.1)
Receivable recorded in assets held for sale			4.8		4.8
Headquarters Construction in Progress
Related Party Transaction [Line Items]
Payable to related party			0.4		0.4
Information Technology Project
Related Party Transaction [Line Items]
Payable to related party			$ 0.3		$ 0.3
Spectrum Auto Care Acquisition
Related Party Transaction [Line Items]
Newly-issued common stock in acquisition	$ 5.3	$ 312.5
Percentage of common stock owned			7.70%		7.70%