Accounts and Other Receivables, Net (Tables)

12 Months Ended

Dec. 31, 2020

Receivables [Abstract]

Components of Accounts and Other Receivables

	December 31,
	2019			2020
	(In millions)
Trade accounts receivable:
Kronos	$	270.5		$	294.8
CompX		11.9			10.8
BMI/LandWell		1.6			1.2
VAT and other receivables		31.2			27.2
Allowance for doubtful accounts		(1.2	)		(1.9	)
Total	$	314.0		$	332.1