General form of registration statement for all companies including face-amount certificate companies

Quarterly Selected Financial Data (Parenthetical) (Detail)

v2.4.0.8
Quarterly Selected Financial Data (Parenthetical) (Detail) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Dec. 31, 2012
Quarterly Financial Information [Line Items]  
Non-recurring share-based compensation charge $ 4.5