Income Taxes - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended			3 Months Ended		1 Months Ended
	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2013	Nov. 30, 2013
Income Tax [Line Items]
Net current deferred tax assets	$ 1,995		$ 1,995	$ 627				$ 627
Net current deferred tax liabilities	0		0	49				49
Net non-current deferred tax assets	24,267		24,267	20,405				20,405
Net non-current deferred tax liabilities	0		0	36,930				36,930
U.S. Federal net operating Loss carryforwards	35,730		35,730
Foreign tax credit carryovers	51,580		51,580
Research and experimentation tax credit carryovers	3,646		3,646
Net operating Loss carryforwards	226,000		226,000
Realized a cash benefit relating to the use of its tax loss carry-forwards	0		0	25,122				25,122
Deferred tax asset valuation allowance related to income tax			25,123	5,221	5,991
Provision for valuation allowances on deferred tax assets	69,807		69,807	48,906				48,906
Recorded tax benefit (provision) in discontinued operations			0	(6,407)	1,624
Included tax benefits discontinued operation tax provision			0	540	8,086
Goodwill impairment, pre-tax	325,800		325,800		262,650
Deferred tax benefit	62,753		62,753
Increase in tax provision due to gain related to deconsolidation of subsidiaries			5,543
Net gain on deconsolidation		11,828	11,828
Sale of non-controlling interest tax provision charted to continuing operations				(18,143)
Earnings repatriated from its subsidiary in South Korea			3,121	13,385	38,000
Estimated amount of undistributed foreign earnings	26,000		26,000
Long-term income taxes payable	54,636		54,636	53,078				53,078
Liabilities for unrecognized tax benefits	30,389		30,389	30,005				30,005
Unrecognized tax benefits, estimated accrued interest and penalties	24,247		24,247	23,074				23,074
Interest accrued on unrecognized tax benefits			2,695	2,932	3,794
Reversals of prior years income tax penalties and interest expense			1,523	3,248	9,609
Net of tax effect of interest, penalties and reversals			710	189	3,517
Impact on effective tax rate	30,389		30,389	30,005	40,075	40,075		30,005
Unrecognized tax benefits due to settlement of tax examination and and lapses of statutes of limitations			2,525	12,979
Settlement of tax examination and and lapses of statutes of limitations, impact on effective tax rate			1,143	12,391
Reversal of accrued interest related to unrecognized tax benefits			1,523	3,248
Reversal of accrued interest, impact on effective tax rate			921	1,963
Unrecognized tax benefit by offset in full by valuation allowance					5,680
Unrecognized tax benefits due to settlement of tax examination					39,294
Increase in tax provision				14,355	43,193
Income tax examination benefit for reversal of tax expense from settlement with taxing authority					28,814
Income tax examination benefit for reversal of accrued interest from settlement with taxing authority					5,814
Income tax examination benefit for provision for valuation allowance					5,680
Reasonably possible reduction in unrecognized tax benefits in the next twelve months, minimum	0		0
Reasonably possible reduction in unrecognized tax benefits in the next twelve months, maximum	(15,000)		(15,000)
Careers - China
Income Tax [Line Items]
Provision for valuation allowances on deferred tax assets					9,710	9,710
Goodwill impairment, pre-tax						46,429	216,221
JobKorea Ltd.
Income Tax [Line Items]
Percentage ownership interest sold									49.99%
Cash consideration received upon sale of interest in subsidiary								90,000	90,000
Sale of non-controlling interest total tax provision									30,853
Sale of non-controlling interest tax provision charged to stockholder's equity									12,709
Sale of non-controlling interest tax provision charted to continuing operations									18,143
Percentage ownership interest retained by the company									50.01%
Deferred Tax Assets That Existed At Beginning of Year
Income Tax [Line Items]
Deferred tax asset valuation allowance related to income tax			21,347	1,691	3,000
Unrecognized Tax Benefit
Income Tax [Line Items]
Deferred tax asset valuation allowance related to income tax			(4,222)	(4,472)	3,379
United States
Income Tax [Line Items]
Operating Loss carryforwards, expiration year			2031
Impact on effective tax rate					29,059	29,059
Reversal of accrued interest related to unrecognized tax benefits					8,034
Reversal of accrued interest, impact on effective tax rate					4,860
Unrecognized tax benefit by offset in full by valuation allowance					38,024
Unrecognized tax benefits due to settlement of tax examination					7,956
Income tax examination, year under examination			2011
State and Local Jurisdiction
Income Tax [Line Items]
Impact on effective tax rate					2,128	2,128
Reversal of accrued interest related to unrecognized tax benefits					1,575
Unrecognized tax benefit by offset in full by valuation allowance					1,806
Increase in tax provision					7,100
Foreign Country
Income Tax [Line Items]
Foreign tax credit carryovers	51,580		51,580
Net operating loss carry-forwards in various foreign countries without expiration date	172,000		172,000
Net operating loss carry-forwards in various foreign countries expected to expire in stages	54,000		54,000
Foreign tax credit carryovers likely to realize before expiration	21,000		21,000
Deferred tax asset valuation allowance related to income tax	16,000		18,000
Provision for valuation allowances on deferred tax assets	$ 21,000		$ 21,000	$ 3,000				$ 3,000
Number of foreign jurisdictions that the company files income tax	40		40
Foreign Country | Minimum
Income Tax [Line Items]
Operating Loss carryforwards, expiration year			2015
Foreign tax credit carryovers, expiration year			2016
Foreign Country | Maximum
Income Tax [Line Items]
Operating Loss carryforwards, expiration year			2029
Foreign tax credit carryovers, expiration year			2024