Changes in Equity and Accumulated Other Comprehensive Loss

A summary of changes in equity for the nine months ended September 30, 2018 and 2017 is provided below:



	Nine Months Ended September 30,
	2018									2017
(in millions)	Total Shareholders’ Equity			Noncontrolling Interests			Total Equity			Total Shareholders’ Equity			Noncontrolling Interests			Total Equity
Balance, beginning of period	$	1,345.2		$	3.3		$	1,348.5		$	1,133.8		$	11.9		$	1,145.7
Dividends	(62.7		)	—			(62.7		)	(58.8		)	—			(58.8		)
Reacquisition on open market	(25.0		)	—			(25.0		)	(25.0		)	—			(25.0		)
Exercise of stock options, net of shares reacquired	12.5			—			12.5			20.7			—			20.7
Stock-based compensation expense	16.1			—			16.1			16.5			—			16.5
Cumulative effect of adoption of ASC 606	6.7			—			6.7			—			—			—
Net income	246.4			—			246.4			200.5			0.6			201.1
Other comprehensive (loss) income	(12.7		)	(0.2		)	(12.9		)	91.4			(1.3		)	90.1
Comprehensive income (loss)	233.7			(0.2		)	233.5			291.9			(0.7		)	291.2
Balance, end of period	$	1,526.4		$	3.1		$	1,529.5		$	1,379.1		$	11.2		$	1,390.3

The table below provides the accumulated balances for each classification of accumulated other comprehensive loss, as reflected on the Condensed Consolidated Balance Sheets.



(in millions)		Defined Benefit Pension and Postretirement Items*			Currency Translation Adjustment			Total
Balance as of December 31, 2017		$	(292.1	)	$	(88.0	)	$	(380.1	)
	Other comprehensive income (loss) before reclassifications	9.4			(29.7		)	(20.3		)
	Amounts reclassified from accumulated other comprehensive loss	7.4			—			7.4
Net current-period other comprehensive income (loss)		16.8			(29.7		)	(12.9		)
Balance as of September 30, 2018		$	(275.3	)	$	(117.7	)	$	(393.0	)

* Net of tax benefit of $113.8 million and $115.8 million as of September 30, 2018 and December 31, 2017, respectively.

The table below illustrates the amounts reclassified out of each component of accumulated other comprehensive loss for the three and nine month periods ended September 30, 2018 and 2017. Amortization of pension and postretirement components have been recorded within “Miscellaneous income” on the Condensed Consolidated Statements of Operations.



	Three Months Ended September 30,						Nine Months Ended September 30,
(in millions)	2018			2017			2018			2017
Amortization of pension items:
Prior-service costs	$	(0.1	)	$	(0.1	)	$	(0.4	)	$	(0.3	)
Net loss	3.6			3.5			10.7			10.5
Amortization of postretirement items:
Prior-service costs	—			—			—			(0.1		)
Net gain	(0.3		)	(0.1		)	(0.9		)	(0.3		)
Total before tax	$	3.2		$	3.3		$	9.4		$	9.8
Tax impact	0.6			1.0			2.0			3.0
Total reclassifications for the period	$	2.6		$	2.3		$	7.4		$	6.8