Business Segment Information (Tables)

6 Months Ended

Jun. 30, 2018

Segment Reporting [Abstract]

Holding Percentage of Subsidiaries

Business segment	Entity	% controlled at June 30, 2018
Chemicals	Kronos	80	%
Component products	CompX	87	%
Real estate management and development	BMI and LandWell	63% - 77	%

Segment Operating Performance

	Three months ended June 30,						Six months ended June 30,
	2017			2018			2017			2018
	(unaudited)
	(In millions)
Net sales:
Chemicals	$	441.4		$	471.8		$	811.2		$	902.2
Component products		30.1			32.4			60.0			60.8
Real estate management and development		10.3			6.0			15.9			13.2
Total net sales	$	481.8		$	510.2		$	887.1		$	976.2
Cost of sales:
Chemicals	$	309.6		$	300.5		$	573.8		$	556.6
Component products		20.5			21.2			40.8			40.1
Real estate management and development		7.9			4.5			12.1			10.2
Total cost of sales	$	338.0		$	326.2		$	626.7		$	606.9
Gross margin:
Chemicals	$	131.8		$	171.3		$	237.4		$	345.6
Component products		9.6			11.2			19.2			20.7
Real estate management and development		2.4			1.5			3.8			3.0
Total gross margin	$	143.8		$	184.0		$	260.4		$	369.3
Operating income:
Chemicals	$	77.2		$	123.6		$	136.3		$	234.2
Component products		4.6			6.0			9.1			10.4
Real estate management and development		1.3			.4			1.8			4.2
Total operating income		83.1			130.0			147.2			248.8
General corporate items:
Securities earnings		7.1			8.5			14.1			16.8
Insurance recoveries		—			.2			.1			.4
Gain on land sales		—			—			—			12.5
Other components of net periodic pension and OPEB expense		(4.3	)		(3.8	)		(8.4	)		(7.5	)
Litigation settlement expense		—			(62.0	)		—			(62.0	)
General expenses, net		(8.7	)		(14.9	)		(19.2	)		(29.2	)
Interest expense		(14.7	)		(16.0	)		(29.2	)		(31.4	)
Income from continuing operations before income taxes	$	62.5		$	42.0		$	104.6		$	148.4