Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net income	$ 99.6	$ 132.9	$ 151.6	$ 263.5
Foreign currency translation:
Foreign currency translation adjustment	(135.7)	15.2	(142.3)	4.3
Benefit for income taxes	(0.6)	(0.3)	(0.6)	0.0
Foreign currency translation, net	(136.3)	14.9	(142.9)	4.3
Hedge instruments:
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax	47.8	4.8	190.9	33.1
Expense for income taxes	(11.9)	(1.2)	(47.7)	(8.2)
Hedge instruments, net	35.9	3.6	143.2	24.9
Available-for-sale securities:
Net unrealized (loss) gain	0.1	0.1	0.1	0.1
Provision for income taxes	0.0	0.0	0.0	0.0
Available-for-sale securities, net	0.1	0.1	0.1	0.1
Total other comprehensive income (loss), net of tax	(100.3)	18.6	0.4	29.3
Comprehensive income (loss)	(0.7)	151.5	152.0	292.8
Less: comprehensive income attributable to noncontrolling interests	(2.5)	(5.4)	(6.2)	(7.1)
Comprehensive income (loss) attributable to TransUnion	$ (3.2)	$ 146.1	145.8	285.7
Interest Rate Swap
Hedge instruments:
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax			$ 190.9	$ 33.1