Accumulated Other Comprehensive Income (Loss)

12 Months Ended

Dec. 31, 2020

Equity [Abstract]

Accumulated Other Comprehensive Income (Loss)

14. 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 Trust Funds			Pension Liability Adjustment			Total
	(Dollars in millions)
Balance as of December 31, 2018	$	(207.5	)	$	(18.3	)	$	(150.1	)	$	(375.9	)
Other comprehensive loss before income    taxes and reclassifications		29.1			37.7			(0.3	)		66.5
Income tax benefit		—			(9.6	)		(2.4	)		(12.0	)
Reclassifications to earnings		—			—			10.1			10.1
Other comprehensive income		29.1			28.1			7.4			64.6
Cumulative-effect adjustment related to the adoption    of ASU 2018-02		—			0.4			(27.5	)		(27.1	)
Balance as of December 31, 2019		(178.4	)		10.2			(170.2	)		(338.4	)
Other comprehensive loss before income    taxes and reclassifications		18.7			38.4			8.0			65.1
Income tax benefit		—			(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	)