Accounts Payable and Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2020

Payables And Accruals [Abstract]

Schedule of Accounts Payable and Accrued Liabilities

	December 31,
	2019		2020
	(In millions)
Accounts payable:
Kronos	$	137.2	$	111.0
CompX		2.5		2.6
BMI/LandWell		3.7		3.6
NL		.9		-
Other		.4		.4
Total	$	144.7	$	117.6
Current accrued liabilities:
Employee benefits	$	30.6	$	37.5
Operating lease liabilities		6.2		6.7
Accrued sales discounts and rebates		33.7		30.2
Deferred income		10.3		20.1
Environmental remediation and related costs		4.5		3.4
Interest		5.2		5.7
Other		40.0		39.4
Total	$	130.5	$	143.0
Noncurrent accrued liabilities:
Other postretirement benefits	$	10.5	$	10.8
Operating lease liabilities		22.2		18.8
Reserve for uncertain tax positions		13.6		6.8
Deferred income		47.4		58.9
Employee benefits		6.0		6.2
Insurance claims and expenses		11.0		39.3
Deferred payment obligation		9.9		1.3
Accrued development costs		8.3		24.6
Other		8.2		7.8
Total	$	137.1	$	174.5