Noncontrolling Interest in Subsidiaries (Tables)

3 Months Ended

Mar. 31, 2016

Noncontrolling Interest [Abstract]

Noncontrolling Interest in Net Assets of Subsidiaries

	December 31, 2015		March 31, 2016
	(In millions)
Noncontrolling interest in net assets:
Kronos Worldwide	$	147.9	$	146.5
NL Industries		39.5		39.4
CompX International		15.3		15.5
BMI		31.6		30.2
LandWell		23.9		23.6
Total	$	258.2	$	255.2

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

	Three months ended March 31,
	2015			2016
	(In millions)
Noncontrolling interest in net income (loss) of subsidiaries:
Kronos Worldwide	$	3.6		$	(.8	)
NL Industries		1.7			(.4	)
CompX International		.3			.3
BMI		—			(1.4	)
LandWell		(.2	)		(.2	)
Total	$	5.4		$	(2.5	)