Annual report pursuant to Section 13 and 15(d)

Dividends (Details)

v2.4.0.6
Dividends (Details) (Parent Company [Member], USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Parent Company [Member]
     
Dividends from subsidiaries $ 69.1 $ 67.9 $ 19.1