Quarterly report pursuant to Section 13 or 15(d)

Reconciliation of operating profit (loss) from segments to consolidated (Parenthetical) (Detail)

v2.4.0.6
Reconciliation of operating profit (loss) from segments to consolidated (Parenthetical) (Detail) (China, USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
China
       
Segment Reporting Information [Line Items]        
China salesperson compensation and service fee costs $ 34.4 $ 25.2 $ 93.7 $ 70.7