v2.4.0.8
Earnings and Dividends from Equity Method of Investment (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Investments in and Advances to Affiliates [Line Items]    
Income (Loss) from Equity Method Investments $ 3.6 $ 3.2
Dividends received from equity method investments $ 0.3 $ 0.1