Noncontrolling Interest in Subsidiaries (Tables)

3 Months Ended

Mar. 31, 2022

Noncontrolling Interest [Abstract]

Noncontrolling Interest in Net Assets of Subsidiaries

	December 31,		March 31,
	2021		2022
	(In millions)
Noncontrolling interest in net assets:
Kronos Worldwide	$	226.6	$	232.3
NL Industries		75.7		78.7
CompX International		22.5		22.8
BMI		8.3		9.5
LandWell		(4.2)		(2.3)
Total	$	328.9	$	341.0

Schedule of Noncontrolling Interest in Net Income of Subsidiaries

	Three months ended March 31,
	2021		2022
	(In millions)
Noncontrolling interest in net income of subsidiaries:
Kronos Worldwide	$	3.8	$	11.1
NL Industries		2.3		3.2
CompX International		.6		.6
BMI		1.1		1.2
LandWell		1.9		1.9
Total	$	9.7	$	18.0