Noncontrolling Interest in Subsidiaries (Tables)

6 Months Ended

Jun. 30, 2017

Noncontrolling Interest [Abstract]

Noncontrolling Interest in Net Assets of Subsidiaries

	December 31, 2016		June 30, 2017
	(In millions)
Noncontrolling interest in net assets:
Kronos Worldwide	$	134.5	$	178.8
NL Industries		44.3		53.0
CompX International		16.4		17.0
BMI		24.6		24.8
LandWell		23.7		24.1
Total	$	243.5	$	297.7

Schedule of Noncontrolling Interest in Net Income (Loss) of Subsidiaries

	Six months ended June 30,
	2016			2017
	(In millions)
Noncontrolling interest in net income (loss) of subsidiaries:
Kronos Worldwide	$	(.5	)	$	45.6
NL Industries		(.2	)		8.4
CompX International		.6			.9
BMI		(1.3	)		.2
LandWell		(.3	)		.3
Total	$	(1.7	)	$	55.4