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Accounts Receivable, Net (Tables)
9 Months Ended
Sep. 30, 2011
Receivables [Abstract] 
Schedule of Provision for Doubtful Accounts
 20112010
 $’M$’M
 __________________________
As at January 1,23.420.8
Provision charged to operations172.5130.8
Provision utilization(169.0)(130.2)
 __________________________
As at September 30,26.921.4
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