CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Net loss	$ (7.7)	$ (139.4)	$ (29.7)	$ (122.1)
Other comprehensive income (loss), net of tax:
Currency translation	(4.1)	14.7	7.8	(52.9)
Marketable securities	0.8	(0.8)	0.5	(1.4)
Interest rate swap	(0.7)		(3.0)
Total other comprehensive income (loss), net	(1.7)	17.3	9.9	(48.4)
Comprehensive loss	(9.4)	(122.0)	(19.8)	(170.5)
Comprehensive income (loss) attributable to noncontrolling interest	0.9	(34.0)	1.4	(43.8)
Comprehensive loss attributable to Valhi stockholders	(10.3)	(88.0)	(21.2)	(126.7)
Defined Benefit Pension Plans
Other comprehensive income (loss), net of tax:
Pension and other postretirement benefit plan	2.6	3.7	5.2	6.5
OPEB
Other comprehensive income (loss), net of tax:
Pension and other postretirement benefit plan	$ (0.3)	$ (0.3)	$ (0.6)	$ (0.6)