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DECONSOLIDATION OF SUBSIDIARIES - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jan. 03, 2014
Sep. 30, 2015
Sep. 30, 2014
Mar. 31, 2014
Sep. 30, 2015
Sep. 30, 2014
Jan. 02, 2014
Effects of Deconsolidation of Subsidiaries [Line Items]              
Gain on deconsolidation $ 13,647       $ 0 $ 13,647  
Net assets of entities contributed to Alma Career Oy 4,200       0 4,200  
Retained noncontrolling investment at fair value 24,800            
Loss on deconsolidation of foreign subsidiaries $ 1,819            
Net gain on deconsolidation   $ 0 $ 0 $ 11,828 $ 0 $ 11,828  
Finland              
Effects of Deconsolidation of Subsidiaries [Line Items]              
Percentage of equity investment             25.00%
Finland | Alma Media Corporation              
Effects of Deconsolidation of Subsidiaries [Line Items]              
Percentage of equity investment             75.00%
Finland, Eastern Europe and Baltics | Alma Career Oy              
Effects of Deconsolidation of Subsidiaries [Line Items]              
Percentage of equity investment 15.00%            
Maximum percentage of equity investment 20.00%            
Additional investments in equity method investee $ 6,500