Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2015

Segment Reporting [Abstract]

Segmental Reporting

The following table analyzes sales and other financial information by the Company’s reportable segments:

	Three Months Ended June 30						Six Months Ended June 30
(in millions)	2015			2014			2015			2014
Net sales:
Fuel Specialties	$	182.3		$	145.1		$	381.7		$	309.3
Performance Chemicals		54.1			59.4			111.7			115.5
Octane Additives		6.5			16.8			18.7			17.2
	$	242.9		$	221.3		$	512.1		$	442.0
Gross profit:
Fuel Specialties	$	68.9		$	43.9		$	130.4		$	95.9
Performance Chemicals		14.8			15.3			29.3			28.9
Octane Additives		3.8			9.4			9.6			9.5
	$	87.5		$	68.6		$	169.3		$	134.3
Operating income:
Fuel Specialties	$	27.8		$	17.5		$	51.3		$	43.3
Performance Chemicals		7.5			7.8			13.9			14.3
Octane Additives		2.8			8.3			7.9			7.1
Pension credit/(charge)		0.1			(0.9	)		0.1			(1.7	)
Corporate costs		(7.4	)		(7.4	)		(15.5	)		(19.7	)
Adjustment to fair value of contingent consideration		26.6			0.0			23.1			0.0
Total operating income	$	57.4		$	25.3		$	80.8		$	43.3

Summary of Segment Depreciation and Amortization

The following table presents a summary of the depreciation and amortization charges incurred by the Company’s reportable segments:

	Three Months Ended June 30				Six Months Ended June 30
(in millions)	2015		2014		2015		2014
Depreciation:
Fuel Specialties	$	2.0	$	1.0	$	3.9	$	2.2
Performance Chemicals		0.8		1.0		1.6		1.9
Octane Additives		0.1		0.1		0.2		0.2
Corporate		0.4		0.5		0.8		1.1
	$	3.3	$	2.6	$	6.5	$	5.4
Amortization:
Fuel Specialties	$	3.2	$	2.1	$	6.4	$	4.3
Performance Chemicals		1.1		1.3		2.1		2.6
Corporate		1.0		1.0		1.9		1.9
	$	5.3	$	4.4	$	10.4	$	8.8