Major Classes of Assets and Liabilities of Careers China Business (Parenthetical) (Detail) (Careers - China, Latin America and Turkey, USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Careers - China, Latin America and Turkey
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts receivable , doubtful accounts	$ 796