CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenues and other income:
Net sales	$ 516.0	$ 568.3	$ 1,015.2	$ 1,151.1
Other income, net	4.3	22.2	13.1	31.8
Total revenues and other income	520.3	590.5	1,028.3	1,182.9
Costs and expenses:
Cost of sales	498.8	406.3	985.1	728.7
Selling, general and administrative	82.7	68.2	152.4	146.9
Loss on prepayment of debt		7.2	6.6	7.2
Interest	14.7	14.3	30.1	27.8
Total costs and expenses	596.2	496.0	1,174.2	910.6
Income (loss) from continuing operations before income taxes	(75.9)	94.5	(145.9)	272.3
Income tax expense (benefit)	(27.3)	33.7	(49.1)	92.7
Income (loss) from continuing operations	(48.6)	60.8	(96.8)	179.6
Income from discontinued operations, net of tax		0.8		1.5
Net income (loss)	(48.6)	61.6	(96.8)	181.1
Noncontrolling interest in net income (loss) of subsidiaries	(8.9)	17.2	(17.3)	47.8
Net income (loss) attributable to Valhi stockholders	(39.7)	44.4	(79.5)	133.3
Amounts attributable to Valhi stockholders:
Income (loss) from continuing operations	(39.7)	43.8	(79.5)	132.2
Income from discontinued operations		0.6		1.1
Net income (loss) attributable to Valhi stockholders	$ (39.7)	$ 44.4	$ (79.5)	$ 133.3
Basic and diluted net income (loss) per share:
Income (loss) from continuing operations	$ (0.12)	$ 0.13	$ (0.23)	$ 0.39
Income from discontinued operations
Net income (loss) per share	$ (0.12)	$ 0.13	$ (0.23)	$ 0.39
Cash dividends per share	$ 0.05	$ 0.05	$ 0.10	$ 0.092
Basic and diluted weighted average shares outstanding	342.0	342.0	342.0	342.0