Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2021

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

The following table summarizes the changes in accumulated other comprehensive income (loss) by component:

			Unrealized Holding Gains (Losses), Net of Tax
	Foreign Currency Translation Adjustment		On Available-For-Sale Debt Securities		On Foreign Currency Forward Contracts		Total
	(in millions)
Balance as of December 31, 2018	$	(11.2)	$	(0.5)	$	12.4	$	0.7
Other comprehensive income before reclassifications	10.3		1.0		11.5		22.8
Amounts reclassified from accumulated other comprehensive income (loss)	—		—		(25.5)		(25.5)
Net current period other comprehensive income (loss)	10.3		1.0		(14.0)		(2.7)
Balance as of December 31, 2019	$	(0.9)	$	0.5	$	(1.6)	$	(2.0)
Other comprehensive loss before reclassifications	(14.7)		(0.2)		(54.5)		(69.4)
Amounts reclassified from accumulated other comprehensive income (loss)	—		—		2.9		2.9
Net current period other comprehensive loss	(14.7)		(0.2)		(51.6)		(66.5)
Balance as of December 31, 2020	$	(15.6)	$	0.3	$	(53.2)	$	(68.5)
Other comprehensive income (loss) before reclassifications	2.0		(0.8)		59.7		60.9
Amounts reclassified from accumulated other comprehensive income (loss)	—		—		23.5		23.5
Net current period other comprehensive income (loss)	2.0		(0.8)		83.2		84.4
Balance as of December 31, 2021	$	(13.6)	$	(0.5)	$	30.0	$	15.9