Accumulated Other Comprehensive Loss

9 Months Ended

Sep. 30, 2020

Stockholders Equity Note [Abstract]

Accumulated other comprehensive loss

Note 13 – Accumulated other comprehensive loss:

Changes in accumulated other comprehensive 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,
	2019			2020			2019			2020
	(In thousands)
Accumulated other comprehensive loss, net of tax:
Currency translation:
Balance at beginning of period	$	(170,739	)	$	(178,597	)	$	(172,434	)	$	(172,843	)
Other comprehensive income (loss)		(4,500	)		2,426			(2,805	)		(3,328	)
Balance at end of period	$	(175,239	)	$	(176,171	)	$	(175,239	)	$	(176,171	)
Defined benefit pension plans:
Balance at beginning of period	$	(73,641	)	$	(76,183	)	$	(75,286	)	$	(78,257	)
Other comprehensive income - amortization of net   losses included in net periodic pension cost		818			1,075			2,463			3,149
Balance at end of period	$	(72,823	)	$	(75,108	)	$	(72,823	)	$	(75,108	)
OPEB plans:
Balance at beginning of period	$	(685	)	$	(741	)	$	(550	)	$	(590	)
Other comprehensive loss - amortization of net   gains included in net periodic OPEB cost		(65	)		(70	)		(200	)		(221	)
Balance at end of period	$	(750	)	$	(811	)	$	(750	)	$	(811	)
Total accumulated other comprehensive loss:
Balance at beginning of period	$	(245,065	)	$	(255,521	)	$	(248,270	)	$	(251,690	)
Other comprehensive income (loss)		(3,747	)		3,431			(542	)		(400	)
Balance at end of period	$	(248,812	)	$	(252,090	)	$	(248,812	)	$	(252,090	)

See Note 11 for amounts related to our defined benefit pension plans.