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Goodwill (Tables)

12 Months Ended

Dec. 31, 2012

Goodwill [Abstract]

Summary of Goodwill

(in millions)		Fuel Specialties				Performance Chemicals				Octane Additives				Total
At January 1, 2011
Gross cost		$	108.9			$	30.1			$	236.6			$	375.6
Accumulated impairment losses			0.0				0.0				(232.0	)			(232.0	)
Net book amount			108.9				30.1				4.6				143.6
Exchange effect			(0.1	)			0.0				0.0				(0.1	)
Impairment losses			0.0				0.0				(2.0	)			(2.0	)
At December 31, 2011
Gross cost			108.8				30.1				236.6				375.5
Accumulated impairment losses			0.0				0.0				(234.0	)			(234.0	)
Net book amount			108.8				30.1				2.6				141.5
Exchange effect			0.1				0.0				(0.1	)			0.0
Acquisitions			8.7				0.0				0.0				8.7
Impairment losses			0.0				0.0				(1.2	)			(1.2	)
At December 31, 2012
Gross cost			117.6				30.1				236.5				384.2
Accumulated impairment losses			0.0				0.0				(235.2	)			(235.2	)
Net book amount		$	117.6			$	30.1			$	1.3			$	149.0

Impairment charge increase/(decrease) due to assumptions and factor change

(in millions)						Approximate Increase/(Decrease) to Impairment Charge
		Change				Fuel Specialties				Performance Chemicals				Octane Additives
Credit-adjusted risk-free rate			+10	%		$	0.0			$	0.0			$	0.0
Credit-adjusted risk-free rate			-10	%			0.0				0.0				0.0
After-tax cash flows			+10	%			0.0				0.0				(2.4	)
After-tax cash flows			-10	%		$	0.0			$	0.0			$	2.4

Purchase price and fair values of assets acquired and liabilities assumed

(in millions)		Strata
Other intangible assets		$	48.0
Goodwill			8.7
Other net assets			2.7
Purchase price, net of cash acquired		$	59.4

Financial position of operating results

(in millions, except per share data)		2012				2011
Net sales		$	793.5			$	790.1
Net income		$	73.4			$	51.9
Earnings per share – basic		$	3.16			$	2.19
– diluted		$	3.07			$	2.11

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