Other Comprehensive Income (Tables)

6 Months Ended

Jun. 30, 2018

Components of Accumulated other comprehensive loss, net of tax, were as follows ($ in millions):



	June 30, 2018			December 31, 2017
Accumulated pension and OPEB liability adjustments, net of income tax benefit of $13.1 million and $13.8 million at June 30, 2018 and December 31, 2017, respectively	$	(23.4	)	$	(24.9	)
Accumulated unrealized (loss) gain on derivative instruments, net of income tax benefit of $1.5 million and $0.2 million at June 30, 2018 and December 31, 2017, respectively	(0.9		)	0.4
Accumulated unrealized foreign currency translation adjustments, net of income tax benefit of $2.6 million and $4.5 million at June 30, 2018 and December 31, 2017, respectively	(87.3		)	(64.9		)
Accumulated other comprehensive loss	$	(111.6	)	$	(89.4	)

Changes in the components of Accumulated other comprehensive loss were as follows ($ in millions):



	Three Months Ended
	June 30, 2018									June 30, 2017
	Pre-tax			Tax			Net of Tax			Pre-tax			Tax			Net of Tax
Unrealized gain (loss) on pension and OPEB liability adjustments	$	1.1		$	(0.3	)	$	0.8		$	1.3		$	(0.2	)	$	1.1
Unrealized (loss) gain on derivative instruments	(4.4		)	1.4			(3.0		)	(6.7		)	2.4			(4.3		)
Unrealized (loss) gain on foreign currency translation	(30.0		)	(0.8		)	(30.8		)	19.8			—			19.8
Total	$	(33.3	)	$	0.3		$	(33.0	)	$	14.4		$	2.2		$	16.6



	Six Months Ended
	June 30, 2018									June 30, 2017
	Pre-tax			Tax			Net of Tax			Pre-tax			Tax			Net of Tax
Unrealized gain (loss) on pension and OPEB liability adjustments	$	2.2		$	(0.7	)	$	1.5		$	2.6		$	(0.4	)	$	2.2
Unrealized (loss) gain on derivative instruments	(2.6		)	1.3			(1.3		)	(5.0		)	2.0			(3.0		)
Unrealized (loss) gain on foreign currency translation	(20.5		)	(1.9		)	(22.4		)	25.7			—			25.7
Total	$	(20.9	)	$	(1.3	)	$	(22.2	)	$	23.3		$	1.6		$	24.9