CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Net income (loss)	$ (22.0)	$ 17.3
Other comprehensive income (loss), net of tax:
Currency translation	11.9	(67.6)
Interest rate swap	(2.3)
Marketable securities	(0.3)	(0.6)
Total other comprehensive income (loss), net	11.6	(65.7)
Comprehensive loss	(10.4)	(48.4)
Comprehensive income (loss) attributable to noncontrolling interest	0.5	(9.8)
Comprehensive loss attributable to Valhi stockholders	(10.9)	(38.6)
Defined Benefit Pension Plans
Other comprehensive income (loss), net of tax:
Pension and other postretirement benefit plan	2.6	2.8
OPEB
Other comprehensive income (loss), net of tax:
Pension and other postretirement benefit plan	$ (0.3)	$ (0.3)