Accumulated Other Comprehensive Loss

12 Months Ended

Dec. 31, 2020

Equity [Abstract]

Accumulated Other Comprehensive Loss

ACCUMULATED OTHER COMPREHENSIVE LOSS The changes in accumulated other comprehensive loss by component are summarized below ($ in millions).

	Foreign Currency Translation Adjustments		Unrealized Gain (Loss) on Cash Flow Hedges		Unrealized Pension Costs		Total Accumulated Other Comprehensive Loss
Balance, December 31, 2017	10.9		—		(10.3)		0.6
Adoption of accounting standards	—		—		(0.2)		(0.2)
Balance, January 1, 2018	10.9		—		(10.5)		0.4
Other comprehensive (loss) income before reclassifications:
(Decrease) increase	(85.2)		—		10.2		(75.0)
Income tax impact	—		—		(3.0)		(3.0)
Other comprehensive (loss) income before reclassifications, net of income taxes	(85.2)		—		7.2		(78.0)
Amounts reclassified from accumulated other comprehensive (loss) income:
Decrease	—		—		(0.9)		(0.9)
Income tax impact	—		—		0.3		0.3
Amounts reclassified from accumulated other comprehensive (loss) income, net of income taxes	—		—		(0.6)		(0.6)
Net current period other comprehensive (loss) income, net of income taxes	(85.2)		—		6.6		(78.6)
Balance, December 31, 2018	(74.3)		—		(3.9)		(78.2)
Other comprehensive (loss) income before reclassifications:
(Decrease) increase	(46.6)		0.1		(31.9)		(78.4)
Income tax impact	4.5		—		7.4		11.9
Other comprehensive (loss) income before reclassifications, net of income taxes	(42.1)		0.1		(24.5)		(66.5)
Amounts reclassified from accumulated other comprehensive loss:
Increase	—		—		0.6		0.6
Income tax impact	—		—		(0.1)		(0.1)
Amounts reclassified from accumulated other comprehensive loss, net of income taxes	—		—		0.5		0.5
Net current period other comprehensive (loss) income, net of income taxes	(42.1)		0.1		(24.0)		(66.0)
Balance, December 31, 2019	$	(116.4)	$	0.1	$	(27.9)	$	(144.2)
Other comprehensive income (loss) before reclassifications:
Increase (decrease)	26.0		(8.4)		3.9		21.5
Income tax impact	27.9		2.0		(1.1)		28.8
Other comprehensive income (loss) before reclassifications, net of income taxes	53.9		(6.4)		2.8		50.3
Amounts reclassified from accumulated other comprehensive (loss) income:
Increase	—		—		2.9		2.9
Income tax impact	—		—		(0.8)		(0.8)
Amounts reclassified from accumulated other comprehensive (loss) income, net of income taxes	—		—		2.1		2.1
Net current period other comprehensive income (loss), net of income taxes	53.9		(6.4)		4.9		52.4
Balance, December 31, 2020	$	(62.5)	$	(6.3)	$	(23.0)	$	(91.8)