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Goodwill - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2014
Segment
Dec. 31, 2013
Goodwill [Line Items]    
Number of reportable segments 3  
Goodwill $ 891,870 $ 895,518
Careers North America
   
Goodwill [Line Items]    
Discount rate 14.00%  
Terminal growth rate 2.80%  
Fair value, percentage 20.00% 20.00%
Goodwill $ 623,175 $ 598,114