CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities:
Net income	$ 107.8	$ 21.8
Depreciation and amortization	14.5	16.6
Benefit plan expense greater than cash funding	0.5	3.4
Deferred income taxes	37.2	2.5
Gain on sale of WCS	(58.4)
Gain on land sales	(12.5)
Distributions from (contributions to) Ti02 manufacturing joint venture, net	5.5	(3.1)
Other, net	1.6	0.8
Change in assets and liabilities:
Accounts and other receivables, net	(40.9)	(27.7)
Inventories, net	(41.8)	(12.4)
Land held for development, net	(1.4)	(1.1)
Accounts payable and accrued liabilities	23.0	16.1
Accounts with affiliates	3.4	4.7
Income taxes	7.5	4.7
Other, net	1.7	10.2
Net cash provided by operating activities	47.7	36.5
Cash flows from investing activities:
Capital expenditures	(16.9)	(13.7)
Cash, cash equivalents and restricted cash and cash equivalents of discontinued operations at time of sale	(28.9)
Capitalized permit costs		(0.3)
Proceeds from sale of land	19.5
Purchases of marketable securities	(3.5)	(2.8)
Disposals of marketable securities	3.4	4.6
Other, net	0.6	0.1
Net cash used in investing activities	(25.8)	(12.1)
Indebtedness:
Borrowings		53.3
Principal payments	(2.5)	(18.1)
Deferred financing costs paid		(0.2)
Valhi cash dividends paid	(6.8)	(6.8)
Distributions to noncontrolling interest in subsidiaries	(3.9)	(3.5)
Other		0.1
Net cash provided by (used in) financing activities	(13.2)	24.8
Cash, cash equivalents and restricted cash and cash equivalents - net change from:
Operating, investing and financing activities	8.7	49.2
Effect of exchange rates on cash	5.4	1.2
Balance at beginning of period	489.4	196.5
Balance at end of period	503.5	246.9
Cash paid for:
Interest, net of capitalized interest	19.4	14.7
Income taxes, net	13.7	4.5
Noncash investing activities:
Change in accruals for capital expenditures	1.8	4.2
Noncash financing activities:
Trade payable to affiliate converted to indebtedness	$ 36.3
Indebtedness borrowings paid directly to lender to settle refinanced indebtedness		9.3
Indebtedness principal payments paid directly by lender		(8.4)
Indebtedness borrowings paid directly to lender for debt issuance costs		$ (0.9)