Accumulated Other Comprehensive Income (Tables)

6 Months Ended

Jun. 30, 2013

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

Changes in Accumulated Other Comprehensive Income, Net of Tax

		Foreign currency translation adjustment	Unrealized holding gain/(loss) on available-for-sale securities	Accumulated other comprehensive income
		$M	$M	$M
As at January 1, 2013		85.1	1.8	86.9
Current period change:
	Other Comprehensive income before reclassification	(34.5)	(2.1)	(36.6)
	Gain recognized in the income statement (within Other (expense)/income, net) on disposal of available-for-sale securities	0	1.9	1.9
Net current period other comprehensive income		(34.5)	(0.2)	(34.7)
As at June 30, 2013		50.6	1.6	52.2