Major Classes of Assets And Liabilities of Careers China Business (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012
Discontinued Operations [Line Items]
Total assets of business held for sale	$ 80,303
Total liabilities of business held for sale	31,881
Careers - China
Discontinued Operations [Line Items]
Accounts receivable net of doubtful accounts of $723	14,240
Prepaid and other	4,408
Property and equipment, net	10,571
Intangibles, net	5,126
Goodwill	45,958
Total assets of business held for sale	80,303
Accounts payable, accrued expenses and other current liabilities	11,799
Deferred revenue	20,082
Total liabilities of business held for sale	$ 31,881