Related Party Transactions (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jul. 01, 2011		Jul. 02, 2010
Armand Products Company [Member]
Percentage of ownership in joint venture	50.00%		50.00%
Purchases by Company	$ 7.6		$ 6.7
Sales by Company	0		0
Outstanding Accounts Receivable	0.3		0.2
Outstanding Accounts Payable	2.0		1.1
Administration & Management Oversight Services	0.8	[1]	0.8	[1]
ArmaKleen Company [Member]
Percentage of ownership in joint venture	50.00%		50.00%
Purchases by Company	0		0
Sales by Company	2.8		2.8
Outstanding Accounts Receivable	0.9		0.8
Outstanding Accounts Payable	0		0
Administration & Management Oversight Services	$ 1.3	[1]	$ 1.2	[1]

[1] Billed by Company and recorded as a reduction of selling, general and administrative expenses.