Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2019

Shareholders' Equity

Summary of the components of accumulated other comprehensive income (loss), net of tax

The following is a summary of the components of accumulated other comprehensive income (loss), net of tax, at December 31, (dollars in millions):

					Accumulated
	Foreign		Pension		Other
	Currency		Liability		Comprehensive
	Translation		Adjustment		Income (Loss)
Balance at December 31, 2016	$	(24.1)	$	(51.8)	$	(75.9)
Other comprehensive income		96.3		1.8		98.1
Realized loss on reclassification		—		4.8		4.8
Balance at December 31, 2017		72.2		(45.2)		27.0
Other comprehensive income (loss)		(25.3)		11.9		(13.4)
Realized loss on reclassification		—		3.4		3.4
Balance at December 31, 2018		46.9		(29.9)		17.0
Other comprehensive income		(19.5)		(25.1)		(44.6)
Realized loss on reclassification		—		2.1		2.1
Balance at December 31, 2019	$	27.4	$	(52.9)	$	(25.5)