XML 19 R48.htm IDEA: XBRL DOCUMENT v2.4.0.8
Special Charges - Additional Information (Detail) (USD $)
 3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Mar. 31, 2013
Sep. 30, 2012
Jun. 30, 2012
Dec. 31, 2013
Employee
Dec. 31, 2012
Employee
Location
Dec. 31, 2011
Special Charges [Line Items]                
Special charges $ 27,568,000 $ 10,419,000 $ 427,000 $ 2,775,000 $ 26,782,000 $ 38,414,000 $ 29,557,000 $ 15,212,000
Non cash special charges           14,100,000 5,000,000 4,800,000
Post-employment severance costs           23,700,000    
Accelerated expense related to future payments           3,900,000    
Restructuring charge, non-cash           10,900,000    
Number of employees included in the reduction in workforce related to the special charges recorded in the period           45    
Number of office locations             9  
Number of employees terminated             116  
Cash outflow associated with special charges, amount paid           48,500,000    
Cash outflow associated with special charges, amount paid           22,400,000    
Cash outflow associated with special charges, amount expected to be paid in 2014           9,500,000    
Cash outflow associated with special charges, amount expected to be paid in 2015           5,000,000    
Cash outflow associated with special charges, amount expected to be paid in 2016           3,000,000    
Cash outflow associated with special charges, amount expected to be paid from 2017 to 2025           8,600,000    
Severance Costs and Other Contractual Employee Related Costs
                
Special Charges [Line Items]                
Special charges           10,200,000    
Restructuring charge, non-cash           3,200,000    
Lease Termination
                
Special Charges [Line Items]                
Special charges           $ 600,000    
Number of office locations           1