Segments (Selected Financial Information Relating To Company's Segments) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended															12 Months Ended
	Dec. 31, 2011		Sep. 30, 2011	Jul. 01, 2011	Apr. 01, 2011	Dec. 31, 2010		Oct. 01, 2010	Jul. 02, 2010	Apr. 02, 2010	Dec. 31, 2009		Sep. 25, 2009	Jun. 26, 2009	Mar. 27, 2009	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Segment Reporting Information [Line Items]
Net Sales	$ 731.1		$ 701.0	$ 674.9	$ 642.3	$ 656.9		$ 656.9	$ 640.9	$ 634.5	$ 670.8		$ 646.1	$ 623.1	$ 580.9	$ 2,749.3		$ 2,589.2		$ 2,520.9
Gross Profit	316.5		309.9	300.0	288.1	292.4		289.0	290.9	285.5	285.2		284.9	281.6	249.3	1,214.5		1,157.8		1,101.0
Marketing Expenses																354.1		338.0		353.6
Selling, General and Administrative Expenses																367.8		374.8		354.5
Patent Litigation Settlement, net													20.0			0		0		(20.0)
Income from Operations	117.4		126.3	117.8	131.1	80.0		113.0	120.0	132.0	91.3		117.9	99.0	104.7	492.6		445.0		412.9
Equity in Earnings of Affiliates	1.7		2.9	3.2	2.2	1.4		0.8	1.6	1.2	2.7		2.7	4.0	2.7	10.0		5.0		12.1
Interest Expense																8.7	[1]	27.8	[1]	35.6	[1]
Investment Earnings																1.9	[1]	0.6	[1]	1.3	[1]
Other Income & Expense																(1.2)	[1]	(4.5)	[1]	1.5	[1]
Income before Income Taxes																494.6		418.3		392.2
Identifiable Assets	3,117.6					2,945.2					3,118.4					3,117.6		2,945.2		3,118.4
Capital Expenditures																76.6		63.8		135.4
Depreciation & Amortization																77.1		71.6		85.4
Consumer Domestic [Member]
Segment Reporting Information [Line Items]
Net Sales																1,979.1		1,886.1		1,881.7
Gross Profit																936.9		913.2		890.8
Marketing Expenses																274.9		265.6		287.0
Selling, General and Administrative Expenses																269.5		279.5		270.1
Patent Litigation Settlement, net																0		0		(20.0)
Income from Operations																392.5		368.1		353.6
Equity in Earnings of Affiliates																0		0		0
Interest Expense																7.0	[1]	23.0	[1]	30.5	[1]
Investment Earnings																1.5	[1]	0.5	[1]	1.1	[1]
Other Income & Expense																(1.0)	[1]	(3.7)	[1]	1.3	[1]
Income before Income Taxes																386.0		341.9		325.6
Identifiable Assets	2,437.9					2,386.2					2,494.9					2,437.9		2,386.2		2,494.9
Capital Expenditures																57.4		54.7		125.2
Depreciation & Amortization																61.4		53.3		67.9
Consumer International [Member]
Segment Reporting Information [Line Items]
Net Sales																509.1		444.0		393.7
Gross Profit																238.7		211.9		183.7
Marketing Expenses																75.9		69.8		64.3
Selling, General and Administrative Expenses																92.8		85.5		77.5
Patent Litigation Settlement, net																0		0		0
Income from Operations																70.0		56.6		41.9
Equity in Earnings of Affiliates																0		0		0
Interest Expense																1.2	[1]	3.5	[1]	3.6	[1]
Investment Earnings																0.3	[1]	0.1	[1]	0.1	[1]
Other Income & Expense																(0.2)	[1]	(0.6)	[1]	0.1	[1]
Income before Income Taxes																68.9		52.6		38.6
Identifiable Assets	476.5					330.6					350.0					476.5		330.6		350.0
Capital Expenditures																12.2		6.1		4.6
Depreciation & Amortization																8.1		8.5		7.0
SPD [Member]
Segment Reporting Information [Line Items]
Net Sales																261.1		259.1		245.5
Gross Profit																64.2		59.3		58.3
Marketing Expenses																3.3		2.6		2.3
Selling, General and Administrative Expenses																30.8		36.4		38.7
Patent Litigation Settlement, net																0		0		0
Income from Operations																30.1		20.3		17.4
Equity in Earnings of Affiliates																0		0		0
Interest Expense																0.5	[1]	1.3	[1]	1.5	[1]
Investment Earnings																0.1	[1]	0	[1]	0.1	[1]
Other Income & Expense																0	[1]	(0.2)	[1]	0.1	[1]
Income before Income Taxes																29.7		18.8		16.0
Identifiable Assets	132.2					147.8					179.5					132.2		147.8		179.5
Capital Expenditures																7.0		3.0		5.6
Depreciation & Amortization																5.7		6.2		6.5
Corporate [Member]
Segment Reporting Information [Line Items]
Net Sales																0	[2]	0	[2]	0	[2]
Gross Profit																(25.3)	[2]	(26.6)	[2]	(31.8)	[2]
Marketing Expenses																0	[2]	0	[2]	0	[2]
Selling, General and Administrative Expenses																(25.3)	[2]	(26.6)	[2]	(31.8)	[2]
Patent Litigation Settlement, net																0	[2]	0	[2]	0	[2]
Income from Operations																0	[2]	0	[2]	0	[2]
Equity in Earnings of Affiliates																10.0	[2]	5.0	[2]	12.1	[2]
Interest Expense																0	[1],[2]	0	[1],[2]	0	[1],[2]
Investment Earnings																0	[1],[2]	0	[1],[2]	0	[1],[2]
Other Income & Expense																0	[1],[2]	0	[1],[2]	0	[1],[2]
Income before Income Taxes																10.0	[2]	5.0	[2]	12.0	[2]
Identifiable Assets	71.0	[2]				80.6	[2]				94.0	[2]				71.0	[2]	80.6	[2]	94.0	[2]
Capital Expenditures																0	[2]	0	[2]	0	[2]
Depreciation & Amortization																1.9	[2]	3.6	[2]	4.0	[2]
Cost Of Sales [Member] | Corporate [Member]
Segment Reporting Information [Line Items]
Selling, General and Administrative Expenses																$ 25.3		$ 26.6		$ 31.8

[1] In determining Income before Income Taxes, interest expense, investment earnings, and other income (expense) were allocated to the segments based upon each segment's relative operating profit.

[2] (1) The Corporate segment reflects the following: (A) The administrative costs of the production planning and logistics functions are included in segment Selling, General and Administrative expenses but are elements of Cost of Sales in the Company's Consolidated Statements of Income. Such amounts were $25.3 million, $26.6 million, and $31.8 million for 2011, 2010 and 2009, respectively. (B) Equity in earnings (loss) of affiliates from Armand, Armakleen and Natronx. (C) Corporate assets include notes receivable, domestic deferred income taxes, deferred compensation investments and the Company's investment in unconsolidated affiliates.