NONCONTROLLING INTEREST - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Dec. 31, 2013	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Sep. 28, 2015
Noncontrolling Interest [Line Items]
Percentage ownership agreed to sell						50.01%
Distribution paid to minority shareholder				$ 10,018	$ 3,021
Net income attributable to noncontrolling interest		$ 1,512	$ 1,318	$ 3,712	$ 3,954
JobKorea Ltd.
Noncontrolling Interest [Line Items]
Percentage ownership interest sold	49.99%
Cash consideration received upon sale of interest in subsidiary	$ 90,000