Income (Loss) in Equity Interests, Net (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Schedule of Equity Method Investments [Line Items]
Income (loss) in equity interests, net	$ 58	$ (245)	$ (75)	$ (703)
Finland
Schedule of Equity Method Investments [Line Items]
Income (loss) in equity interests, net		90		211
Australia
Schedule of Equity Method Investments [Line Items]
Income (loss) in equity interests, net	(173)	(335)	(425)	(914)
Alma Career Oy | Eastern Europe and the Baltics
Schedule of Equity Method Investments [Line Items]
Income (loss) in equity interests, net	$ 231		$ 350