Condensed Consolidated Statements Of Income (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012		Apr. 01, 2011
Condensed Consolidated Statements Of Income [Abstract]
Net Sales	$ 690.6	[1]	$ 642.3	[1]
Cost of sales	388.1		354.2
Gross Profit	302.5		288.1
Marketing expenses	68.0		69.2
Selling, general and administrative expenses	91.8		87.8
Income from Operations	142.7		131.1
Equity in earnings of affiliates	2.5		2.2
Investment earnings	0.5		0.5
Other income, net	0.2		0.5
Interest expense	(2.7)		(2.7)
Income before Income Taxes	143.2	[2]	131.6	[2]
Income taxes	47.4		48.0
Net Income	95.8		83.6
Noncontrolling interest	0		0
Net Income attributable to Church & Dwight Co., Inc.	$ 95.8		$ 83.6
Weighted average shares outstanding - Basic	142.3		142.8
Weighted average shares outstanding - Diluted	144.9		145.3
Net income per share - Basic	$ 0.67		$ 0.59
Net income per share - Diluted	$ 0.66		$ 0.58
Cash dividends per share	$ 0.24		$ 0.17

[1] Intersegment sales from Consumer International to Consumer Domestic were $1.1 million and $1.3 million for the quarters ended March 31, 2012 and April 1, 2011, respectively.

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