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Background and Basis of Presentation (Details) - USD ($) $ in Millions		3 Months Ended							6 Months Ended	9 Months Ended	12 Months Ended
	Dec. 14, 2022	Dec. 31, 2023	Sep. 24, 2023	Jun. 25, 2023	Mar. 26, 2023	Sep. 25, 2022	Jun. 26, 2022	Mar. 27, 2022	Jun. 25, 2023	Sep. 24, 2023	Dec. 31, 2023	Dec. 25, 2022	Dec. 26, 2021	Dec. 15, 2022	Dec. 13, 2022	Jul. 31, 2022
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Common stock authorized (in shares)		750,000,000									750,000,000	750,000,000			5,000
Common stock issued (in shares)		129,100,000									129,100,000	128,000,000.0			100
Selling, general and administrative expenses											$ 569.7	$ 648.5	$ 527.6
Separation costs											2.4	15.4
Accrued income and other taxes		$ 18.5									18.5	14.3
Cost of products sold											1,824.8	2,335.0	2,071.4
Related Party
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Income taxes payable												32.6
Related Party \| Transitional Services Agreement
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Selling, general and administrative expenses												92.5	62.0
Fortune Brands
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Common stock, shares issued (in shares)	128,000,000
Fortune Brands \| Related Party \| Transitional Services Agreement, Costs Previously Not Allocated
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Selling, general and administrative expenses												$ 72.4	$ 42.3
MBCI
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Common stock authorized (in shares)																1,000
Tornado
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Other nonrecurring expense					$ 9.4				$ 0.0	$ 0.0
Insurance proceeds		$ 3.2	$ 2.0	$ 2.2							$ 7.4
Revision of Prior Period, Error Correction, Adjustment
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Cost of products sold					$ 8.7	$ 2.0	$ 1.6	$ 5.1
Fortune Brand Stockholders
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Noncontrolling interest, ownership percentage by parent														100.00%