Accumulated other comprehensive loss - Changes in accumulated other comprehensive loss for 2014, 2015 and 2016 are presented in the table below.

	Years ended December 31,
	2014			2015			2016
	(In millions)
Accumulated other comprehensive loss, net of tax:
Currency translation:
Balance at beginning of year	$	(56.8	)	$	(159.8	)	$	(252.0	)
Other comprehensive loss		(103.0	)		(92.2	)		(17.6	)
Balance at end of year	$	(159.8	)	$	(252.0	)	$	(269.6	)

Marketable securities:
Balance at beginning of year	$	10.8		$	(2.9	)	$	(.6	)
Other comprehensive income (loss):
Unrealized gains (losses) arising during the year		(13.7	)		(6.5	)		2.4
Less reclassification adjustment for amounts included in realized loss		-			8.8			-
Balance at end of year	$	(2.9	)	$	(.6	)	$	1.8

Defined benefit pension plans:
Balance at beginning of year	$	(109.4	)	$	(175.4	)	$	(159.2	)
Other comprehensive income (loss):
Amortization of prior service cost and net losses included in net periodic pension cost		7.2			10.0			8.5
Net actuarial gain (loss) arising during year		(73.2	)		6.2			(34.1	)
Balance at end of year	$	(175.4	)	$	(159.2	)	$	(184.8	)

OPEB plans:
Balance at beginning of year	$	3.4		$	2.3		$	2.1
Other comprehensive (income) loss:
Amortization of prior service credit and net losses included in net periodic OPEB cost		(.5	)		(.4	)		(.4	)
Net actuarial gain (loss) arising during year		(.6	)		.2			.1
Balance at end of year	$	2.3		$	2.1		$	1.8

Interest rate swap:
Balance at beginning of year	$	-		$	-		$	(2.3	)
Other comprehensive loss:
Unrealized losses arising during the year		-			(2.9	)		(2.0	)
Less reclassification adjustment for amounts included in interest expense		-			.6			2.3
Balance at end of year	$	-		$	(2.3	)	$	(2.0	)

Total accumulated other comprehensive loss:
Balance at beginning of year	$	(152.0	)	$	(335.8	)	$	(412.0	)
Other comprehensive loss		(183.8	)		(76.2	)		(40.8	)
Balance at end of year	$	(335.8	)	$	(412.0	)	$	(452.8	)