Fair Value Measurements and Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Financial Instruments not Carried at Fair Value

The following table presents the financial instruments that are not carried at fair value but which require fair value disclosure:

	December 31, 2018				March 31, 2019
	Carrying amount		Fair value		Carrying amount		Fair value
	(In millions)
Cash, cash equivalents and restricted cash equivalents	$	523.7	$	523.7	$	487.6	$	487.6
Deferred payment obligation		9.6		9.6		9.7		9.7
Long-term debt (excluding capitalized leases):
Kronos Senior Notes		452.4		412.9		443.2		428.6
Valhi credit facility with Contran		314.3		314.3		313.0		313.0
Tremont promissory note payable		9.4		9.4		8.7		8.7
BMI bank note payable		18.0		18.8		18.0		18.8
LandWell note payable to the City of Henderson		2.1		2.1		2.1		2.1