XML 33 R47.htm IDEA: XBRL DOCUMENT v2.4.0.6
Intangible Assets and Goodwill (Details 3) (Amortizable asset management contracts, Legg Mason Group, USD $)
In Thousands, unless otherwise specified
3 Months Ended
Dec. 31, 2012
Mar. 31, 2012
Amortizable asset management contracts | Legg Mason Group
   
Estimated amortization expense:    
Remaining 2013 $ 3,505  
2014 11,835  
2015 2,920  
2016 2,663  
2017 2,000  
Thereafter 0  
Total $ 22,923 $ 33,437
Amortizable intangible assets, useful life 2 years 182 days