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Goodwill (Tables)
3 Months Ended
Mar. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Acquired Goodwill
 March 31,December 31,
 20132012
 $’M$’M
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Goodwill arising on businesses acquired522.8644.5
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Schedule of Goodwill
 20132012
 $’M$’M
 ________________________
As at January 1, 644.5592.6
Acquisitions 83.7-
Goodwill impairment charge(198.9)-
Foreign currency translation(6.5)6.2
 ________________________
As at March 31,522.8598.8
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