Business Segment Information (Tables)

3 Months Ended

Mar. 31, 2021

Segment Reporting [Abstract]

Holding Percentage of Subsidiaries

Business segment	Entity	% controlled at March 31, 2021
Chemicals	Kronos	80	%
Component products	CompX	87	%
Real estate management and development	BMI and LandWell	63% - 77	%

Segment Operating Performance

	Three months ended
	March 31,
	2020			2021
	(In millions)
Net sales:
Chemicals	$	421.0		$	465.0
Component products		32.3			35.9
Real estate management and development		6.0			8.1
Total net sales	$	459.3		$	509.0
Cost of sales:
Chemicals	$	333.3		$	369.7
Component products		21.9			24.9
Real estate management and development		4.4			5.1
Total cost of sales	$	359.6		$	399.7
Gross margin:
Chemicals	$	87.7		$	95.3
Component products		10.4			11.0
Real estate management and development		1.6			3.0
Total gross margin	$	99.7		$	109.3
Operating income:
Chemicals	$	46.8		$	37.7
Component products		5.0			5.8
Real estate management and development		19.2			7.8
Total operating income		71.0			51.3
General corporate items:
Securities earnings		1.6			.9
Insurance recoveries		1.6			-
Changes in market value of Valhi common stock held by subsidiaries		(2.4	)		1.3
Other components of net periodic pension and OPEB expense		(4.7	)		(4.3	)
General expenses, net		(8.1	)		(8.1	)
Interest expense		(9.7	)		(8.6	)
Income before income taxes	$	49.3		$	32.5