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Accounts Receivable, Net (Tables)
6 Months Ended
Jun. 30, 2011
Receivables [Abstract]  
Schedule of Provision for Doubtful Accounts
 20112010
 $’M$’M
 __________________________
As at January 1,23.420.8
Provision charged to operations114.885.2
Provision utilization(109.4)(83.2)
 __________________________
As at June 30,28.822.8
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