Accumulated Other Comprehensive Loss

3 Months Ended

Mar. 31, 2016

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

Accumulated Other Comprehensive Income (Loss)

16.Accumulated Other ComprehensiveLoss

The changes in accumulated other comprehensive loss, net of their related tax effects, in the three monthsended March 31, 2016 and 2015 are included below:

	Foreign currency translation adjustment	Unrealized holding loss on available-for-sale securities	Accumulated other comprehensive loss
	$M	$M	$M
As of January 1, 2016	(182.1)	(1.7)	(183.8)
Current period change:
Net current period other comprehensive income/(loss)	24.7	(0.3)	24.4
As of March 31, 2016	(157.4)	(2.0)	(159.4)
	Foreign currency translation adjustment	Unrealized holding (loss)/gain on available-for-sale securities	Accumulated other comprehensive loss
	$M	$M	$M
As of January 1, 2015	(25.7)	(5.8)	(31.5)
Current period change:
Net current period other comprehensive (loss)/income	(129.5)	0.7	(128.8)
As of March 31, 2015	(155.2)	(5.1)	(160.3)