Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2021

Equity [Abstract]

Components of Accumulated Other Comprehensive Income (Loss)

The components of accumulated other comprehensive income (loss) were as follows:

	Foreign Currency Translation Adjustment			Unrealized Gain (Loss) from Invested Customer Funds			Pension Liability Adjustment			Total
	(Dollars in millions)
Balance as of December 31, 2019	$	(178.4	)	$	10.2		$	(170.2	)	$	(338.4	)
Other comprehensive income before income taxes and reclassifications		18.7			38.4			8.0			65.1
Income tax expense		—			(10.2	)		(5.7	)		(15.9	)
Reclassifications to earnings		—			—			13.2			13.2
Other comprehensive income		18.7			28.2			15.5			62.4
Balance as of December 31, 2020		(159.7	)		38.4			(154.7	)		(276.0	)
Other comprehensive (loss) income before income taxes and reclassifications		(17.6	)		(48.4	)		(9.1	)		(75.1	)
Income tax benefit (expense)		—			12.8			(1.6	)		11.2
Reclassifications to earnings		—			—			15.1			15.1
Other comprehensive (loss) income		(17.6	)		(35.6	)		4.4			(48.8	)
Balance as of December 31, 2021	$	(177.3	)	$	2.8		$	(150.3	)	$	(324.8	)