CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Cash flows from operating activities:
Net income (loss)	$ (171.1)	$ 79.5	$ (126.9)
Depreciation and amortization	69.9	78.4	74.5
Net (gain) loss from:
Bargain purchase and re-measurement of our existing investment in acquiree			(54.6)
Securities transactions, net		(0.3)	(0.2)
Disposal of property and equipment, net	0.8	0.9	0.5
Loss on prepayment of debt, net			8.9
Noncash interest expense	2.5	2.3	1.5
Benefit plan expense greater (less) than cash funding	2.9	(3.1)	7.0
Deferred income taxes	85.7	10.0	(114.8)
Distributions from TiO2 manufacturing joint venture, net	6.5	10.6	10.9
Other, net	7.8	8.0	6.0
Change in assets and liabilities:
Accounts and other receivables, net	22.2	(27.2)	22.9
Land held for development, net	7.1	(6.8)
Inventories, net	(8.4)	(55.1)	220.0
Accounts payable and accrued liabilities	(13.9)	(26.4)	73.4
Income taxes	(0.9)	5.4	(9.6)
Accounts with affiliates	17.1	(13.2)	(18.7)
Other noncurrent assets	(2.5)	2.8	(2.1)
Other noncurrent liabilities	2.7	4.8	0.2
Other, net	(5.9)	(3.3)	18.2
Net cash provided by operating activities	22.5	67.3	117.1
Cash flows from investing activities:
Capital expenditures	(54.6)	(72.7)	(74.6)
Capitalized permit costs	(1.3)	(0.3)	(1.5)
Acquisition of a businesses			(5.3)
Cash of businesses acquired			27.4
Purchases of marketable securities	(13.6)	(16.3)	(7.9)
Proceeds from:
Disposal of marketable securities	15.0	15.1	11.1
Collection of real-estate related note receivable			3.0
Disposal of assets held for sale			1.6
Change in restricted cash equivalents, net	(2.9)	18.6	(9.9)
Other, net	0.4	0.5	(0.1)
Net cash used in investing activities	(57.0)	(55.1)	(56.2)
Indebtedness:
Borrowings	84.9	515.6	493.8
Principal payments	(53.4)	(343.1)	(693.3)
Deferred financing costs paid		(6.1)
Valhi cash dividends paid	(27.1)	(37.3)	(67.9)
Distributions to noncontrolling interest in subsidiaries	(15.0)	(18.9)	(18.2)
Purchase of Kronos common stock			(0.7)
Other, net			0.1
Net cash provided by (used in) financing activities	(10.6)	110.2	(286.2)
Net increase (decrease)	(45.1)	122.4	(225.3)
Cash and cash equivalents—net change from:
Net increase (decrease)	(45.1)	122.4	(225.3)
Effect of exchange rates on cash	(8.4)	(9.4)	1.2
Net change for the year	(53.5)	113.0	(224.1)
Balance at beginning of year	255.8	142.8	366.9
Balance at end of year	202.3	255.8	142.8
Cash paid for:
Interest, net of amounts capitalized	56.6	53.9	55.0
Income taxes, net	10.2	33.4	15.6
Noncash investing activities:
Change in accruals for capital expenditures	$ 6.7	6.5	4.6
Accruals for capital lease additions		$ 8.9
Noncash Amounts Issued In Connection With Business Combination
Noncash financing activities:
Promissory note			19.1
Deferred payment obligation			8.2
Construction retainage payable converted into note payable
Noncash financing activities:
Promissory note			$ 2.8