XML 36 R26.htm IDEA: XBRL DOCUMENT v3.20.2

Marketable Securities (Tables)

9 Months Ended

Sep. 30, 2020

Investments Debt And Equity Securities [Abstract]

Classification of Marketable Securities

		Fair value
		measurement		Market				Cost
Marketable security		level		value				basis				Unrealized loss
				(In millions)
December 31, 2019:
Valhi common stock		1		$	3.2			$	3.2			$	-
NL and CompX common stocks		1			.1				.1				-
Total				$	3.3			$	3.3			$	-
September 30, 2020:
Valhi common stock		1		$	1.9			$	3.2			$	(1.3	)
NL and CompX common stocks		1			.1				.1				-
Total				$	2.0			$	3.3			$	(1.3	)

X

- References

No definition available.

+ Details

Name:	us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets.

+ References

No definition available.

+ Details

Name:	us-gaap_MarketableSecuritiesTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration