CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash flows from operating activities:
Net income (loss)	$ (21,700)	$ 57,839
Depreciation and amortization	2,513	4,346
Deferred income taxes	(21,651)	18,332
Equity in (earnings) loss of Kronos Worldwide, Inc.	31,891	(71,951)
Distributions from Kronos Worldwide, Inc.	15,849	15,849
Benefit plan expense greater (less) than cash funding:
Litigation settlement gain		(14,964)
Reversal of contingent consideration		(778)
Assets held for sale write-down		405
Securities transactions gains, net	(11)
Other, net	274	383
Change in assets and liabilities:
Accounts and other receivables, net	(3,661)	(2,825)
Inventories, net	(1,884)	338
Prepaid expenses and other	171	(442)
Accounts payable and accrued liabilities	100	(1,404)
Income taxes	(6)	(1,432)
Accounts with affiliates	(2,467)	800
Accrued environmental remediation and related costs	10,007	7,820
Other noncurrent assets and liabilities, net	(1,169)	(2,571)
Net cash provided by operating activities	7,361	9,414
Cash flows from investing activities:
Capital expenditures	(2,589)	(3,172)
Proceeds from real estate-related litigation settlement		15,603
Change in restricted cash equivalents, net	2,007	(1,736)
Collection of note receivable	3,034
Proceeds from the disposal of:
Asset held for sale	1,559
Marketable securities	272
Property, plant and equipment and other assets	5	48
Purchase of marketable securities	(261)
Other	(99)
Net cash provided by investing activities	3,928	10,743
Cash flows from financing activities:
Dividends paid	(18,252)	(18,250)
Distributions to noncontrolling interests in subsidiary	(369)	(613)
Indebtedness:
Borrowings		25,350
Repayments	(18,480)	(29,500)
Other, net		(60)
Net cash used in financing activities	(37,101)	(23,073)
Cash and cash equivalents — net change from:
Operating, investing and financing activities	(25,812)	(2,916)
Effect of exchange rate changes on cash		46
Cash and cash equivalents at beginning of period	77,987	11,652
Cash and cash equivalents at end of period	52,175	8,782
Cash paid for:
Interest	222	684
Income taxes, net	296	2,181
Non-cash investing activity:
Accrual for capital expenditures	(198)	546
Defined Benefit Pension Plans
Benefit plan expense greater (less) than cash funding:
Defined benefit pension plans	(348)	149
OPEB
Benefit plan expense greater (less) than cash funding:
Defined benefit pension plans	$ (547)	$ (480)