INVESTMENTS - Income (Loss) in Equity Interests, Net (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Schedule of Equity Method Investments [Line Items]
Income (loss) in equity interests, net	$ 249	$ 75	$ 321	$ 0
Alma Career Oy | Finland
Schedule of Equity Method Investments [Line Items]
Income (loss) in equity interests, net	249	168	720	518
CareerOne Pty Limited | Australia
Schedule of Equity Method Investments [Line Items]
Income (loss) in equity interests, net	$ 0	$ (93)	$ (399)	$ (518)