Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2022

Debt Disclosure [Abstract]

Long-Term Debt

	December 31,		September 30,
	2021		2022
	(In millions)
Valhi:
Contran credit facility	$	172.9	$	134.8
Subsidiary debt:
Kronos:
Senior Notes		448.8		390.2
LandWell:
Note payable to Western Alliance Business Trust		13.5		13.2
BMI:
BWC Bank loan from Western Alliance Bank		15.4		—
Other		2.4		2.0
Total subsidiary debt		480.1		405.4
Total debt		653.0		540.2
Less current maturities		3.1		2.0
Total long-term debt	$	649.9	$	538.2