XML 134 R117.htm IDEA: XBRL DOCUMENT v2.4.0.8
Subsequent Events - Additional Information (Detail) (USD $)
In Millions, except Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Acquisition
Dec. 31, 2012
Acquisition
Subsequent Event [Line Items]    
Acquisition date Jan. 01, 2014  
Number of acquisition 2 2
Shares repurchased 456,603  
Shares repurchased, value $ 3.9  
Clearview National Partners L.L.C [Member]
    
Subsequent Event [Line Items]    
Number of employees 100  
Employee Services Practice Group [Member] | Clearview National Partners L.L.C [Member]
    
Subsequent Event [Line Items]    
Expected annual revenue 2.5  
Employee Services Practice Group [Member] | Centric Insurance Agency [Member]
    
Subsequent Event [Line Items]    
Expected annual revenue 1.6  
Financial Services Practice Group [Member] | Lewis, Birch And Ricardo, L.L.C [Member]
    
Subsequent Event [Line Items]    
Acquisition date Feb. 01, 2014  
Expected annual revenue $ 9.8