Accumulated Other Comprehensive Income (Loss)

9 Months Ended

Sep. 30, 2016

Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract]

Accumulated Other Comprehensive Income (Loss)

Note 10 – Accumulated other comprehensive income (loss):

Changes in accumulated other comprehensive income (loss) attributable to NL stockholders, including amounts resulting from our investment in Kronos Worldwide (see Note 5), are presented in the table below.

	Three months ended						Nine months ended
	September 30,						September 30,
	2015			2016			2015			2016
	(In thousands)
Accumulated other comprehensive loss, net of tax:
Marketable securities:
Balance at beginning of period	$	39,968		$	2,394		$	47,112		$	195
Other comprehensive income - unrealized    gains (losses) arising during the year		(34,513	)		6,983			(41,657	)		9,182
Balance at end of period	$	5,455		$	9,377		$	5,455		$	9,377
Currency translation:
Balance at beginning of period	$	(165,944	)	$	(170,533	)	$	(154,173	)	$	(172,384	)
Other comprehensive income (loss)		(3,538	)		1,777			(15,309	)		3,628
Balance at end of period	$	(169,482	)	$	(168,756	)	$	(169,482	)	$	(168,756	)
Interest rate swap:
Balance at beginning of period	$	—		$	(1,173	)	$	—		$	(445	)
Other comprehensive loss:
Unrealized gains (losses) arising    during the year	$	(733	)	$	32		$	(733	)	$	(920	)
Less reclassification adjustment for   amounts included in interest expense		—			113			—			337
Balance at end of period	$	(733	)	$	(1,028	)	$	(733	)	$	(1,028	)
Defined benefit pension plans:
Balance at beginning of period	$	(73,439	)	$	(71,082	)	$	(75,260	)	$	(72,712	)
Other comprehensive income -   amortization of net losses included   in net periodic pension cost		902			817			2,723			2,447
Balance at end of period	$	(72,537	)	$	(70,265	)	$	(72,537	)	$	(70,265	)
OPEB plans:
Balance at beginning of period	$	9		$	(276	)	$	282		$	(12	)
Other comprehensive loss -   amortization of prior service credit and   net gains included in net periodic OPEB cost		(137	)		(132	)		(410	)		(396	)
Balance at end of period	$	(128	)	$	(408	)	$	(128	)	$	(408	)
Total accumulated other comprehensive loss:
Balance at beginning of period	$	(199,406	)	$	(240,670	)	$	(182,039	)	$	(245,358	)
Other comprehensive income (loss)		(38,019	)		9,590			(55,386	)		14,278
Balance at end of period	$	(237,425	)	$	(231,080	)	$	(237,425	)	$	(231,080	)

See Note 12 for amounts related to our defined benefit pension plans and OPEB plans.