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Noncontrolling Interest in Subsidiaries (Tables)

6 Months Ended

Jun. 30, 2021

Noncontrolling Interest [Abstract]

Noncontrolling Interest in Net Assets of Subsidiaries

	December 31,				June 30,
	2020				2021
	(In millions)
Noncontrolling interest in net assets:
Kronos Worldwide	$	212.3			$	215.2
NL Industries		67.1				71.2
CompX International		23.5				22.3
BMI		14.7				11.6
LandWell		6.8				2.4
Total	$	324.4			$	322.7

Schedule of Noncontrolling Interest in Net Income of Subsidiaries

	Six months ended June 30,
	2020				2021
	(In millions)
Noncontrolling interest in net income of subsidiaries:
Kronos Worldwide	$	8.7			$	8.8
NL Industries		1.1				4.4
CompX International		.9				1.2
BMI		3.0				1.6
LandWell		4.7				2.6
Total	$	18.4			$	18.6