Accounts Payable and Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2021

Payables And Accruals [Abstract]

Schedule of Accounts Payable and Accrued Liabilities

		December 31,
		2020		2021
	(In millions)
Accounts payable:
Kronos		$	111.0	$	143.6
CompX			2.6		3.4
BMI and LandWell			3.6		5.3
Other			.4		.4
Total		$	117.6	$	152.7
Current accrued liabilities:
Deferred income		$	20.1	$	125.8
Employee benefits			37.5		39.9
Accrued sales discounts and rebates			30.2		28.7
Interest			5.7		5.3
Operating lease liabilities			6.7		3.7
Environmental remediation and related costs			3.4		3.5
Other			39.4		57.9
Total		$	143.0	$	264.8
Noncurrent accrued liabilities:
Deferred income		$	58.9	$	81.6
Accrued development costs			24.6		55.4
Insurance claims and expenses			39.3		36.4
Operating lease liabilities			18.8		15.8
Other postretirement benefits			10.8		10.2
Employee benefits			6.2		6.1
Reserve for uncertain tax positions			6.8		3.5
Deferred payment obligation			1.3		—
Other			7.8		10.0
Total		$	174.5	$	219.0