11. Other Comprehensive Income (Loss)

The components of other comprehensive income (loss) and income tax expense (benefit) allocated to each component for the three months ended March 31, 2018 and 2017 were as follows:

	Three Months Ended						Three Months Ended
	March 31, 2018						March 31, 2017
	Before				Net of		Before						Net of
	Tax		Income		Tax		Tax			Income			Tax
	Amount		Tax		Amount		Amount			Tax			Amount
Translation adjustments	$	18.9	$	—	$	18.9	$	9.0		$	—		$	9.0
Adjustment for net periodic pension and other postretirement benefits plan cost		3.6		1.0		2.6		1.0			0.3			0.7
Adjustments for available-for-sale securities		—		—		—		(35.3	)		(3.0	)		(32.3	)
Other comprehensive income (loss)	$	22.5	$	1.0	$	21.5	$	(25.3	)	$	(2.7	)	$	(22.6	)

Accumulated other comprehensive income (loss) by component as of December 31, 2017 and March 31, 2018, and changes during the three months ended March 31, 2018, were as follows:

	Pension and Other Postretirement Benefits Plan Cost			Translation Adjustments		Total
Balance at December 31, 2017	$	(144.6	)	$	40.9	$	(103.7	)
Other comprehensive income before reclassifications		1.4			18.4		19.8
Amounts reclassified from accumulated other comprehensive loss		1.2			—		1.2
Net change in accumulated other comprehensive (loss) income		2.6			18.4		21.0
Balance at March 31, 2018	$	(142.0	)	$	59.3	$	(82.7	)

Accumulated other comprehensive income (loss) by component as of December 31, 2016 and March 31, 2017, and changes during the three months ended March 31, 2017, were as follows:

	Changes in the Fair Value of Available-for-Sale Securities			Pension and Other Postretirement Benefits Plan Cost			Translation Adjustments			Total
Balance at December 31, 2016	$	119.3		$	(159.5	)	$	(15.5	)	$	(55.7	)
Other comprehensive (loss) income before reclassifications		(60.9	)		—			8.8			(52.1	)
Amounts reclassified from accumulated other comprehensive (loss) income		28.6			0.7			—			29.3
Net change in accumulated other comprehensive (loss) income		(32.3	)		0.7			8.8			(22.8	)
Balance at March 31, 2017	$	87.0		$	(158.8	)	$	(6.7	)	$	(78.5	)

Reclassifications from accumulated other comprehensive income (loss) for the three months ended March 31, 2018 and 2017 were as follows:

	Three Months Ended March 31,						Classification in the Condensed Consolidated
	2018			2017			Statements of Operations
Amortization of pension and other postretirement benefits plan cost:
Net actuarial loss	$	2.0		$	1.7		Investment and other (income) expense-net
Net prior service credit		(0.7	)		(0.7	)	Investment and other (income) expense-net
Settlements		0.3			—		Investment and other (income) expense-net
Reclassifications before tax		1.6			1.0
Income tax benefit		0.4			0.3
Reclassification, net of tax	$	1.2		$	0.7

Available-for-sale securities:
Loss on equity securities, before tax	$	—		$	46.6		Investment and other (income) expense-net
Income tax benefit		—			18.0
Reclassification, net of tax		—			28.6
Total reclassifications, net of tax	$	1.2		$	29.3