CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net income	$ 10,357us-gaap_ProfitLoss	$ 4,034us-gaap_ProfitLoss
Depreciation and amortization	902	895
Deferred income taxes	3,039us-gaap_DeferredIncomeTaxExpenseBenefit	369us-gaap_DeferredIncomeTaxExpenseBenefit
Equity in earnings of Kronos Worldwide, Inc.	(5,605)	(4,343)
Dividends received from Kronos Worldwide, Inc.	5,283	5,283
Cash funding of benefit plans in excess of net benefit plan expense	(452)	(168)
Other, net	82us-gaap_OtherNoncashIncomeExpense	85us-gaap_OtherNoncashIncomeExpense
Change in assets and liabilities:
Accounts and other receivables, net	(3,191)	(2,628)
Inventories, net	(34)us-gaap_IncreaseDecreaseInInventories	(1,970)us-gaap_IncreaseDecreaseInInventories
Prepaid expenses and other	(31)	111
Accounts payable and accrued liabilities	(4,134)	(703)
Income taxes	7	8
Accounts with affiliates	(430)	706
Accrued environmental remediation and related costs	(180)	(409)
Other noncurrent assets and liabilities, net	(4,672)	(571)
Net cash provided by operating activities	941	699
Cash flows from investing activities:
Capital expenditures	(796)	(752)
Change in restricted cash equivalents, net	575	99
Proceeds from the sale of marketable securities	255
Purchase of marketable securities	(251)
Net cash used in investing activities	(217)	(653)
Cash flows from financing activities -
distributions to noncontrolling interests in subsidiary	(82)	(82)
Cash and cash equivalents - net change from:
Operating, investing and financing activities	642	(36)
Cash and cash equivalents at beginning of period	72,560	52,609
Cash and cash equivalents at end of period	73,202	52,573
Cash paid for:
Income taxes, net	$ 584us-gaap_IncomeTaxesPaidNet	$ (53)us-gaap_IncomeTaxesPaidNet

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