SHAREHOLDERS' EQUITY (Tables)

12 Months Ended

Dec. 31, 2021

Stockholders' Equity Note [Abstract]

Activity included in accumulated other comprehensive loss table

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, 2019	$	0.7	$	1.8	$	(653.5)	$	(651.0)
Unrealized losses	(9.1)		(47.1)		(183.9)		(240.1)
Reclassification adjustments of losses into income	—		26.9		29.1		56.0
Tax benefit	—		4.8		26.9		31.7
Net change	(9.1)		(15.4)		(127.9)		(152.4)
Balance at December 31, 2019	(8.4)		(13.6)		(781.4)		(803.4)
Unrealized gains	27.8		31.1		26.6		85.5
Reclassification adjustments of losses into income	—		14.9		46.3		61.2
Tax provision	—		(11.0)		(22.2)		(33.2)
Net change	27.8		35.0		50.7		113.5
Balance at December 31, 2020	19.4		21.4		(730.7)		(689.9)
Unrealized (losses) gains	(30.3)		182.0		249.7		401.4
Reclassification adjustments of (gains) losses into income	—		(180.1)		54.3		(125.8)
Tax provision	—		(0.5)		(73.2)		(73.7)
Net change	(30.3)		1.4		230.8		201.9
Balance at December 31, 2021	$	(10.9)	$	22.8	$	(499.9)	$	(488.0)