Accumulated Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 2021

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

The following table shows a summary of changes in accumulated other comprehensive income (loss) by component for the six months ended June 30, 2021 (in millions):

	Foreign Currency Translation			Unrealized Gains (Losses) on Available-For- Sale Marketable Debt Securities			Total
Balance as of December 31, 2020	$	(50.8	)	$	0.1		$	(50.7	)
Other comprehensive income (loss) before reclassifications		(4.5	)		(0.1	)		(4.6	)
Amounts reclassified from accumulated other comprehensive    income (loss)		—			—			—
Net other comprehensive income (loss), net of tax		(4.5	)		(0.1	)		(4.6	)
Balance as of June 30, 2021	$	(55.3	)	$	—		$	(55.3	)