XML 81 R67.htm IDEA: XBRL DOCUMENT v3.5.0.2
Segment Information - Schedule of Segment Information (Details)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2016
USD ($)
Jun. 30, 2015
USD ($)
Jun. 30, 2016
USD ($)
segment
channel
Jun. 30, 2015
USD ($)
Dec. 31, 2015
USD ($)
Segment Reporting [Abstract]          
Number of operating segments | segment     3    
Number of principal distribution channels | channel     3    
Statements of Income          
Revenue $ 554.1 $ 646.6 $ 1,099.5 $ 1,281.6  
Net income (controlling interest) 107.4 128.7 212.0 256.7  
Balance Sheet Information          
Total Assets 8,034.7   8,034.7   $ 7,769.4
Operating Segments | Institutional          
Statements of Income          
Revenue 220.1 255.4 447.4 508.3  
Net income (controlling interest) 51.1 59.6 111.0 108.3  
Balance Sheet Information          
Total Assets 3,676.1   3,676.1   3,717.1
Operating Segments | Mutual Fund          
Statements of Income          
Revenue 264.9 323.0 515.2 641.3  
Net income (controlling interest) 44.8 56.1 78.1 123.8  
Balance Sheet Information          
Total Assets 3,362.8   3,362.8   3,070.5
Operating Segments | High Net Worth          
Statements of Income          
Revenue 69.1 68.2 136.9 132.0  
Net income (controlling interest) 11.5 $ 13.0 22.9 $ 24.6  
Balance Sheet Information          
Total Assets $ 995.8   $ 995.8   $ 981.8