Business Segment Information

3 Months Ended

Mar. 31, 2018

Note 2—Business segment information:

Business segment	Entity	% controlled at March 31, 2018
Chemicals	Kronos	80	%
Component products	CompX	87	%
Real estate management and development	BMI and LandWell	63% - 77	%

Our control of Kronos includes 50% we hold directly and 30% held directly by NL. We own 83% of NL. Our control of CompX is through NL. We own 63% of BMI. Our control of LandWell includes the 27% we hold directly and 50% held by BMI.

		Three months ended March 31,
		2017				2018
			(unaudited)
Net sales:
Chemicals	$		369.8		$		430.4
Component products			29.9				28.4
Real estate management and development			5.6				7.2
Total net sales	$		405.3		$		466.0
Cost of sales:
Chemicals	$		264.2		$		256.1
Component products			20.3				18.9
Real estate management and development			4.2				5.7
Total cost of sales	$		288.7		$		280.7
Gross margin:
Chemicals	$		105.6		$		174.3
Component products			9.6				9.5
Real estate management and development			1.4				1.5
Total gross margin	$		116.6		$		185.3
Operating income:
Chemicals	$		59.1		$		110.6
Component products			4.5				4.4
Real estate management and development			.5				3.8
Total operating income			64.1				118.8
General corporate items:
Securities earnings			7.0				8.3
Insurance recoveries			.1				.2
Gain on land sales			—				12.5
Other components of net periodic pension and OPEB expense			(4.1	)			(3.7	)
General expenses, net			(10.5	)			(14.3	)
Interest expense			(14.5	)			(15.4	)
Income from continuing operations before income taxes	$		42.1		$		106.4

Segment results we report may differ from amounts separately reported by our various subsidiaries due to purchase accounting adjustments and related amortization or differences in the way we define operating income. Intersegment sales are not material.