Note 15 —Accumulated other comprehensive loss:

Changes in accumulated other comprehensive loss attributable to Valhi stockholders for the three and nine months ended September 30, 2012 and 2013 are presented in the table below, net of related deferred income taxes.

	Three months ended September 30,
	2012			2013			2012			2013
	(In millions)
Accumulated other comprehensive income (loss), net of tax:
Marketable securities:
Balance at beginning of period	$	(5.6	)	$	1.9		$	6.4		$	2.1
Other comprehensive income (loss) – unrealized gains (losses) during the year		5.4			1.0			(6.6	)		.8
Balance at end of period	$	(.2	)	$	2.9		$	(.2	)	$	2.9
Currency translation adjustment:
Balance at beginning of period	$	19.5		$	36.3		$	37.5		$	53.3
Other comprehensive income (loss)		30.8			16.9			12.8			(.1	)
Balance at end of period	$	50.3		$	53.2		$	50.3		$	53.2
Defined benefit pension plans:
Balance at beginning of period	$	(69.6	)	$	(97.3	)	$	(72.6	)	$	(101.5	)
Other comprehensive income— amortization of prior service cost and net losses included in net periodic pension cost		1.5			2.1			4.5			6.3
Balance at end of period	$	(68.1	)	$	(95.2	)	$	(68.1	)	$	(95.2	)
OPEB plans:
Balance at beginning of period	$	4.9		$	3.6		$	5.4		$	4.1
Other comprehensive loss – amortization of prior service credit		(.3	)		(.3	)		(.8	)		(.8	)
Balance at end of period	$	4.6		$	3.3		$	4.6		$	3.3
Total accumulated other comprehensive loss:
Balance at beginning of period	$	(50.8	)	$	(55.5	)	$	(23.3	)	$	(42.0	)
Other comprehensive income		37.4			19.7			9.9			6.2
Balance at end of period	$	(13.4	)	$	(35.8	)	$	(13.4	)	$	(35.8	)

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