Accumulated Other Comprehensive Loss (Tables)

9 Months Ended

Sep. 30, 2016

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

Changes in Accumulated Other Comprehensive Income, Net of Tax

The changes in accumulated other comprehensive loss, net of their related tax effects, for the nine months ended September 30, 2016 and 2015 are included below:

(in millions)	Foreign currency translation adjustment			Unrealized holding (loss)/gain on available-for-sale securities			Hedging activities		Accumulated other comprehensive loss
As of January 1, 2016	$	(182.1	)	$	(1.7	)	$	—	$	(183.8	)
Net current period other comprehensive income	38.8			10.4			0.4		49.6
As of September 30, 2016	$	(143.3	)	$	8.7		$	0.4	$	(134.2	)

(in millions)	Foreign currency translation adjustment			Unrealized holding (loss)/gain on available-for-sale securities			Hedging activities		Accumulated other comprehensive loss
As of January 1, 2015	$	(25.7	)	$	(5.8	)	$	—	$	(31.5	)
Net current period other comprehensive (loss)/income	(124.9		)	1.3			—		(123.6		)
As of September 30, 2015	$	(150.6	)	$	(4.5	)	—		$	(155.1	)