Noncontrolling Interest in Subsidiaries (Tables)

12 Months Ended

Dec. 31, 2015

Noncontrolling Interest [Abstract]

Noncontrolling Interest in Net Assets of Subsidiaries

	December 31,
	2014		2015
	(In millions)
Noncontrolling interest in net assets:
Kronos Worldwide	$	211.0	$	147.9
NL Industries		54.4		39.5
CompX International		14.4		15.3
BMI		31.7		31.6
LandWell		24.8		23.9
Total	$	336.3	$	258.2

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

	Years ended December 31,
	2013			2014		2015
	(In millions)
Noncontrolling interest in net income (loss) of subsidiaries:
Kronos Worldwide	$	(20.3	)	$	19.2	$	(34.3	)
NL Industries		(9.4	)		4.8		(4.0	)
CompX International		.8			1.1		1.2
BMI		—			.3		.1
LandWell		—			.3		(.5	)
Total	$	(28.9	)	$	25.7	$	(37.5	)