CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Cash flows from operating activities:
Net income (loss)	$ 301.0	$ 302.6	$ (3.0)
Depreciation and amortization	58.4	59.0	67.5
Net (gain) loss from:
Sale of WCS	(58.4)
Land sales	(12.5)
Securities transactions, net	(12.4)	(0.1)	(0.5)
Disposal of property and equipment, net	0.3	0.5	0.3
Noncash interest expense	2.0	2.5	2.6
Benefit plan expense greater than cash funding	5.7	10.5	4.6
Deferred income taxes	(73.5)	(293.2)	(39.1)
Loss on prepayment of debt		7.1
Payment for termination of interest rate swap contract		(3.3)
Long-lived asset impairment		170.6
Distributions from (contributions to) TiO2 manufacturing joint venture, net	4.0	(6.0)	3.6
Contract related intangible asset impairment			5.1
Other, net	13.9		1.9
Change in assets and liabilities:
Accounts and other receivables, net	(11.1)	(47.5)	(47.4)
Land held for development, net	7.8	6.6	18.3
Inventories, net	(137.3)	(5.5)	39.6
Accounts payable and accrued liabilities	65.7	12.9	(0.3)
Income taxes	(18.2)	19.5	3.7
Accounts with affiliates	19.5	35.2	13.8
Other noncurrent assets	2.6	(0.9)	0.1
Other noncurrent liabilities	13.0	3.7	(3.8)
Other, net	(5.0)	(14.9)	12.8
Net cash provided by operating activities	165.5	259.3	79.8
Cash flows from investing activities:
Capital expenditures	(61.4)	(71.3)	(58.9)
Cash, cash equivalents and restricted cash and cash equivalents of discontinued operations at time of sale	(28.9)
Capitalized permit costs		(2.2)	(1.5)
Purchases of marketable securities	(4.4)	(9.7)	(11.4)
Proceeds from land sales	19.5
Proceeds from disposal of marketable securities	18.2	9.0	10.7
Other, net		(0.2)	(0.5)
Net cash used in investing activities	(57.0)	(74.4)	(61.6)
Indebtedness:
Borrowings		748.1	312.2
Principal payments	(12.6)	(600.2)	(309.0)
Deferred financing costs paid		(9.0)
Valhi cash dividends paid	(27.1)	(27.2)	(27.1)
Distributions to noncontrolling interest in subsidiaries	(20.1)	(18.1)	(21.6)
Net cash provided by (used in) financing activities	(59.8)	93.6	(45.5)
Cash, cash equivalents and restricted cash and cash equivalents – net change from
Operating, investing and financing activities	48.7	278.5	(27.3)
Effect of exchange rates on cash	(14.4)	14.4	(5.3)
Net change for the year	34.3	292.9	(32.6)
Balance at beginning of year	489.4	196.5	229.1
Balance at end of year	523.7	489.4	196.5
Cash paid for:
Interest, net of amounts capitalized	53.9	59.3	60.6
Income taxes, net	68.5	62.3	20.3
Noncash investing activities:
Changes in accruals for capital expenditures	5.4	9.4	$ 8.0
Sale of investment in Amalgamated Sugar Company LLC	250.0
Noncash financing activities:
Trade payable to affiliate converted to indebtedness	36.3
Deemed repayment of Snake River Sugar Company indebtedness	$ (250.0)
Borrowings paid directly to lender to settle refinanced indebtedness		9.3
Principal payments paid directly by lender		(8.4)
Borrowings paid directly to lender for debt issuance costs		$ (0.9)