The following table represents the activity included in accumulated other comprehensive loss:



	Foreign Currency Translation Adjustment (net of taxes)			Unrealized Gains (Losses) on Derivative Contracts (net of taxes)			Pension and Other Postretirement Benefits (net of taxes)			Accumulated Other Comprehensive Loss
	($ in millions)
Balance at January 1, 2017	$	(24.1	)	$	12.8		$	(498.7	)	$	(510.0	)
Unrealized gains (losses):
First quarter	8.3			(3.1		)	—			5.2
Second quarter	28.1			(3.7		)	—			24.4
Third quarter	16.0			3.2			—			$	19.2
Reclassification adjustments into income (gains) losses:
First quarter	—			(0.1		)	6.6			6.5
Second quarter	—			(2.3		)	6.8			4.5
Third quarter	—			(1.2		)	6.8			$	5.6
Tax (provision) benefit:
First quarter	(2.3		)	1.2			(2.7		)	(3.8		)
Second quarter	(12.2		)	2.3			(2.3		)	(12.2		)
Third quarter	(6.2		)	(0.7		)	(2.5		)	$	(9.4	)
Net change	31.7			(4.4		)	12.7			40.0
Balance at September 30, 2017	$	7.6		$	8.4		$	(486.0	)	$	(470.0	)
Balance at January 1, 2018	$	7.6		$	11.1		$	(503.3	)	$	(484.6	)
Unrealized gains (losses):
First quarter	12.4			2.1			—			14.5
Second quarter	(26.1		)	(0.4		)	—			(26.5		)
Third quarter	(2.0		)	(2.6		)	—			(4.6		)
Reclassification adjustments into income (gains) losses:
First quarter	—			(2.3		)	9.4			7.1
Second quarter	—			(2.7		)	9.1			6.4
Third quarter	—			(2.2		)	9.2			7.0
Tax benefit (provision):
First quarter	—			0.1			(4.0		)	(3.9		)
Second quarter	—			0.7			(1.0		)	(0.3		)
Third quarter	—			1.2			(1.7		)	(0.5		)
Net change	(15.7		)	(6.1		)	21.0			(0.8		)
Income tax reclassification adjustment	15.3			2.4			(103.6		)	(85.9		)
Balance at September 30, 2018	$	7.2		$	7.4		$	(585.9	)	$	(571.3	)