Balance and Transactions Between Company and Related Party (Details) (Equity Method Investee, USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Armand Products Company
Related Party Transaction [Line Items]
Purchases by Company	$ 26.4		$ 22.5		$ 21.3
Sales by Company	0		0		0
Outstanding Accounts Receivable	0.6		0.4		0.1
Outstanding Accounts Payable	2.1		1.8		1.8
Administration & Management Oversight Services	2.1	[1]	1.9	[1]	1.7	[1]
ArmaKleen Company
Related Party Transaction [Line Items]
Purchases by Company	0		0		0
Sales by Company	1.2		1.3		5.5
Outstanding Accounts Receivable	0.8		0.8		0.4
Outstanding Accounts Payable	0		0		0
Administration & Management Oversight Services	2.0	[1]	2.1	[1]	1.7	[1]
Natronx Technologies LLC
Related Party Transaction [Line Items]
Purchases by Company	0		0		0
Sales by Company	2.0		1.9		2.4
Outstanding Accounts Receivable	0.1		0.1		0
Outstanding Accounts Payable	0		0		0
Administration & Management Oversight Services	$ 0.8	[1]	$ 1.1	[1]	$ 0.9	[1]

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