ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME (Tables)

12 Months Ended

Dec. 31, 2023

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

Changes in each component of "Accumulated other comprehensive (loss) income," net of tax, during 2023, 2022 and 2021 were as follows:

(dollars in millions)	Foreign Currency Translation Adjustments		Pension and Post-retirement Plans		Available-for-Sale Debt Securities		Derivative Financial Instrument Revaluation		Accumulated Other Comprehensive (Loss) Income
Balance at December 31, 2020	$	(138.8)	$	(3.2)	$	—	$	(52.8)	$	(194.8)
Other comprehensive (loss) income before reclassifications, net	(30.6)		2.9		—		6.2		(21.5)
Reclassifications, pretax	—		—		—		18.9		18.9
Balance at December 31, 2021	(169.4)		(0.3)		—		(27.7)		(197.4)
Other comprehensive (loss) income before reclassifications, net	(146.3)		(5.2)		1.1		48.2		(102.2)
Reclassifications, pretax	—		—		—		1.5		1.5
Balance at December 31, 2022	(315.7)		(5.5)		1.1		22.0		(298.1)
Other comprehensive (loss) income before reclassifications, net	(25.5)		3.4		(1.1)		2.9		(20.3)
Reclassifications, pretax	—		—		—		(35.9)		(35.9)
Tax benefit reclassified	—		—		—		8.4		8.4
Balance at December 31, 2023	$	(341.2)	$	(2.1)	$	—	$	(2.6)	$	(345.9)