Segments - Selected Financial Information Relating To Company's Segments (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Net Sales		$ 5,867.9	$ 5,375.6	$ 5,190.1
Gross profit		2,588.5	2,250.0	2,263.5
Marketing Expenses		641.3	535.2	577.7
Selling, General and Administrative Expenses		889.8	1,117.0	606.7
Income from Operations		1,057.4	597.8	1,079.1
Equity in Earnings (Losses) of Affiliates		8.7	12.3	9.4
Income Before Income Taxes		967.4	523.3	1,031.7
Identifiable Assets		8,569.2	8,345.6	7,996.5
Capital Expenditures		223.5	178.8	118.8
Segment, Expenditure, Addition to Long-Lived Assets		223.5	178.8	118.8
Depreciation & Amortization		225.2	219.0	219.1
Operating Segments | Consumer Domestic
Segment Reporting Information [Line Items]
Net Sales		4,571.2	4,131.0	3,941.9
Gross profit		2,137.2	1,794.1	1,795.8
Marketing Expenses		509.5	412.9	442.1
Selling, General and Administrative Expenses		698.0	882.1	445.3
Income from Operations		929.7	499.1	908.4
Equity in Earnings (Losses) of Affiliates		0.0	0.0	0.0
Income Before Income Taxes		842.7	427.3	861.4
Identifiable Assets		7,011.4	6,846.9	6,354.5
Segment, Expenditure, Addition to Long-Lived Assets		190.0	159.1	100.3
Depreciation & Amortization		182.7	172.1	170.0
Operating Segments | Consumer International
Segment Reporting Information [Line Items]
Net Sales		975.7	896.1	912.2
Gross profit		407.0	372.4	402.1
Marketing Expenses		127.7	117.7	131.1
Selling, General and Administrative Expenses		175.1	208.5	135.7
Income from Operations		104.2	46.2	135.3
Equity in Earnings (Losses) of Affiliates		0.0	0.0	0.0
Income Before Income Taxes		94.8	38.8	127.3
Identifiable Assets		1,106.1	1,060.5	1,192.9
Segment, Expenditure, Addition to Long-Lived Assets		20.4	10.0	8.4
Depreciation & Amortization		27.7	30.1	31.1
Operating Segments | Specialty Products
Segment Reporting Information [Line Items]
Net Sales		321.0	348.5	336.0
Gross profit		104.7	117.8	112.7
Marketing Expenses		4.1	4.6	4.5
Selling, General and Administrative Expenses		77.1	60.7	72.8
Income from Operations		23.5	52.5	35.4
Equity in Earnings (Losses) of Affiliates		0.0	0.0	0.0
Income Before Income Taxes		21.2	44.9	33.6
Identifiable Assets		326.8	332.9	332.7
Segment, Expenditure, Addition to Long-Lived Assets		13.1	9.7	10.1
Depreciation & Amortization		13.6	13.8	15.4
Corporate
Segment Reporting Information [Line Items]
Net Sales	[1]	0.0	0.0	0.0
Gross profit	[1]	(60.4)	(34.3)	(47.1)
Marketing Expenses	[1]	0.0	0.0	0.0
Selling, General and Administrative Expenses	[1]	(60.4)	(34.3)	(47.1)
Income from Operations	[1]	0.0	0.0	0.0
Equity in Earnings (Losses) of Affiliates	[1]	8.7	12.3	9.4
Income Before Income Taxes	[1]	8.7	12.3	9.4
Identifiable Assets	[1]	124.9	105.3	116.4
Segment, Expenditure, Addition to Long-Lived Assets	[1]	0.0	0.0	0.0
Depreciation & Amortization	[1]	$ 1.2	$ 3.0	$ 2.6

[1] Corporate reflects the following: (A) The administrative costs of the production planning and logistics functions which are elements of Cost of Sales in the Company’s Consolidated Statements of Income but are allocated to the operating segments in Selling, General and Administrative expenses to determine operating segment income before income taxes. Such amounts were $60.4, $34.3, and $47.1 for 2023, 2022 and 2021, respectively. The increase in 2023 compared to 2022 is primarily due to higher incentive compensation costs. (B) Equity in earnings (loss) of affiliates from Armand and ArmaKleen for the year ended December 31, 2023, 2022 and 2021. (C) Corporate assets include deferred compensation investments and the Company's investment in unconsolidated affiliates.