Financial Instruments and Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2014

Fair Value Disclosures [Abstract]

Summary of Financial Instruments

The following table presents the financial instruments that are not carried at fair value but which require fair value disclosure at December 31, 2013 and September 30, 2014:

	December 31, 2013				September 30, 2014
	Carrying		Fair		Carrying		Fair
	Amount		Value		Amount		Value
	(In thousands)
Cash, cash equivalents and restricted cash	$	57,639	$	57,639	$	77,987	$	77,987
Noncontrolling interest in CompX common stock		13,615		23,119		14,283		16,985
NL stockholders' equity		355,380		544,174		263,347		358,306