Accumulated Other Comprehensive Income (Tables)

3 Months Ended

Mar. 31, 2015

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

Changes in Accumulated Other Comprehensive Income, Net of Tax

As at March 31, 2015		Foreign currency translation adjustment	Unrealized holding loss on available-for-sale securities	Accumulated other comprehensive loss
		$M	$M	$M
As at January 1, 2015		(25.7)	(5.8)	(31.5)
Net current period other comprehensive (loss)/income		(129.5)	0.7	(128.8)
As at March 31, 2015		(155.2)	(5.1)	(160.3)
As at March 31, 2014		Foreign currency translation adjustment	Unrealized holding gain/(loss) on available-for-sale securities	Accumulated other comprehensive income
		$M	$M	$M
As at January 1, 2014		110.4	(0.2)	110.2
Current period change:
	Other comprehensive income before reclassification	(1.7)	7.5	5.8
	Gain transferred to the income statement (within Other income, net) on disposal of available-for-sale securities	0	(3.2)	(3.2)
Net current period other comprehensive income		(1.7)	4.3	2.6
As at March 31, 2014		108.7	4.1	112.8