Comprehensive Income (Tables)

6 Months Ended

Jun. 30, 2019

Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Tax Effects Allocated to Each Component of Other Comprehensive Income

The following tables present the tax effects allocated to each component of Other comprehensive income (loss):

	For the Three Months Ended June 30,
	2018								2019
	Pre-Tax			Tax Benefit (Expense)		Net of Tax			Pre-Tax			Tax Benefit (Expense)			Net of Tax
Foreign currency translation adjustment	$	(20.2	)	$	—	$	(20.2	)	$	12.1		$	(6.9	)	$	5.2
Change in net realized and unrealized gain (loss) on derivative financial instruments	0.0			—		0.0			(0.7		)	—			(0.7		)
Other comprehensive income (loss)	$	(20.2	)	$	—	$	(20.2	)	$	11.4		$	(6.9	)	$	4.5

	For the Six Months Ended June 30,
	2018						2019
	Pre-Tax		Tax Benefit (Expense)		Net of Tax		Pre-Tax		Tax Benefit (Expense)		Net of Tax
Foreign currency translation adjustment	$	8.9	$	—	$	8.9	$	6.6	$	6.1	$	12.7
Change in net realized and unrealized gain on derivative financial instruments	0.3		—		0.3		0.5		—		0.5
Other comprehensive income	$	9.2	$	—	$	9.2	$	7.1	$	6.1	$	13.2

Schedule of Components of Accumulated Other Comprehensive Income

The components of accumulated other comprehensive loss, net of taxes, were as follows:

	Foreign Currency Translation Adjustment			Realized and Unrealized Gains (Losses) on Derivative Securities			Total
Balance, as of December 31, 2018	$	(188.0	)	$	(0.5	)	$	(188.5	)
Other comprehensive income before reclassifications	12.7			0.7			13.4
Amounts reclassified	—			(0.2		)	(0.2		)
Net other comprehensive income	12.7			0.5			13.2
Balance, as of June 30, 2019	$	(175.3	)	$	0.0		$	(175.3	)