Accumulated Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 2021

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (loss), net of tax

Changes in the components of accumulated other comprehensive income (loss), net of tax, were as follows:

	Three Months Ended June 30, 2021								Six Months Ended June 30, 2021
(in millions)	Foreign Currency Translation Adjustment		Unrealized Gain on Available-for-sale Securities		Unrealized Loss on Cash Flow Hedges		Accumulated Other Comprehensive Income		Foreign Currency Translation Adjustment		Unrealized Gain on Available-for-sale Securities		Unrealized Loss on Cash Flow Hedges		Accumulated Other Comprehensive Income
Balance at beginning of period	$	3.1	$	0.1	$	—	$	3.2	$	5.2	$	0.3	$	—	$	5.5
Other comprehensive loss before reclassifications	(1.8)		(0.1)		(1.0)		(2.9)		(3.9)		(0.3)		(1.0)		(5.2)
Amounts reclassified to net loss	$	—	$	—	$	0.4	$	0.4	$	—	$	—	$	0.4	$	0.4
Balance at the end of period	$	1.3	$	—	$	(0.6)	$	0.7	$	1.3	$	—	$	(0.6)	$	0.7

	Three Months Ended June 30, 2020						Six Months Ended June 30, 2020
(in millions)	Foreign Currency Translation Adjustment		Unrealized Gain on Available-for-sale Securities		Accumulated Other Comprehensive Loss		Foreign Currency Translation Adjustment		Unrealized Gain on Available-for-sale Securities		Accumulated Other Comprehensive Loss
Balance at beginning of period	$	(5.0)	$	1.2	$	(3.8)	$	(1.6)	$	0.4	$	(1.2)
Other comprehensive income (loss)	0.6		(0.4)		0.2		(2.8)		0.4		(2.4)
Balance at the end of period	$	(4.4)	$	0.8	$	(3.6)	$	(4.4)	$	0.8	$	(3.6)