Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement Of Income And Comprehensive Income [Abstract]
Net loss		$ (19.8)	$ (25.8)	$ (47.2)	$ (45.0)
Items of other comprehensive (loss) income before income taxes:
Change in foreign currency translation adjustment		(47.4)	13.0	(31.8)	24.0
Change in unrealized loss from invested customer funds		(37.5)	(5.4)	(106.9)	(22.1)
Change in pension liability adjustment	[1]	2.9	3.8	6.0	7.6
Other comprehensive (loss) income before income taxes		(82.0)	11.4	(132.7)	9.5
Income tax benefit, net		(9.2)	(0.4)	(26.8)	(3.8)
Other comprehensive (loss) income after income taxes		(72.8)	11.8	(105.9)	13.3
Comprehensive loss		$ (92.6)	$ (14.0)	$ (153.1)	$ (31.7)

[1] The amount of the pension liability adjustment recognized in the condensed consolidated statements of operations within other expense, net was $2.9 million and $3.7 million during the three months ended June 30, 2022, and 2021, respectively, and $5.8 million and $7.5 million during the six months ended June 30, 2022, and 2021, respectively.