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Investments (Tables)
9 Months Ended
Sep. 30, 2011
Investments [Abstract] 
Schedule of Investments
 September 30,December 31,
 20112010
 $’M$’M
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Investments in private companies11.55.9
Available-for-sale securities8.383.9
Equity method investments10.311.8
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 30.1101.6
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