Other Comprehensive Income (Tables)

6 Months Ended

Jun. 30, 2017

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



	June 30, 2017			December 31, 2016
Accumulated pension and OPEB liability adjustments, net of income tax benefit of $17.2 million and $17.6 million at June 30, 2017 and December 31, 2016, respectively	$	(34.3	)	$	(36.5	)
Accumulated unrealized loss on derivative instruments, net of income tax benefit of $5.0 million and $3.0 million at June 30, 2017 and December 31, 2016, respectively	(4.9		)	(1.9		)
Accumulated unrealized foreign currency translation adjustments	(75.2		)	(100.9		)
Accumulated other comprehensive loss	$	(114.4	)	$	(139.3	)

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



	Three Months Ended
	June 30, 2017									June 30, 2016
	Pre-tax			Tax			Net of Tax			Pre-tax			Tax			Net of Tax
Unrealized gain (loss) on pension and OPEB liability adjustments	$	1.3		$	(0.2	)	$	1.1		$	3.4		$	(1.8	)	$	1.6
Unrealized (loss) gain on derivative instruments	(6.7		)	2.4			(4.3		)	5.7			—			5.7
Unrealized gain (loss) on foreign currency translation	19.8			—			19.8			(8.9		)	—			(8.9		)
Total	$	14.4		$	2.2		$	16.6		$	0.2		$	(1.8	)	$	(1.6	)



	Six Months Ended
	June 30, 2017									June 30, 2016
	Pre-tax			Tax			Net of Tax			Pre-tax		Tax			Net of Tax
Unrealized gain (loss) on pension and OPEB liability adjustments	$	2.6		$	(0.4	)	$	2.2		$	2.7	$	(1.6	)	$	1.1
Unrealized (loss) gain on derivative instruments	(5.0		)	2.0			(3.0		)	13.7		3.9			17.6
Unrealized gain on foreign currency translation	25.7			—			25.7			5.1		—			5.1
Total	$	23.3		$	1.6		$	24.9		$	21.5	$	2.3		$	23.8