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Restructuring Charges, Net (Schedule Of Restructuring Liability By Segment) (Detail) (USD $) In Thousands, unless otherwise specified	Apr. 30, 2012	Apr. 30, 2011	Apr. 30, 2010
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 2,770	$ 4,921	$ 13,809
North America [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	43	91
Europe, Middle East And Africa ("EMEA") [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	1,818	3,169
Asia Pacific [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve		328
South America [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve		114
Total Executive Recruitment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	1,861	3,702
Futurestep [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	909	1,219
Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	38	978	2,714
Severance [Member] | Europe, Middle East And Africa ("EMEA") [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	38	857
Severance [Member] | South America [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve		114
Severance [Member] | Total Executive Recruitment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	38	971
Severance [Member] | Futurestep [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve		7
Facilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	2,732	3,943	11,095
Facilities [Member] | North America [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	43	91
Facilities [Member] | Europe, Middle East And Africa ("EMEA") [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	1,780	2,312
Facilities [Member] | Asia Pacific [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve		328
Facilities [Member] | Total Executive Recruitment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	1,823	2,731
Facilities [Member] | Futurestep [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 909	$ 1,212

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- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 95-3

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SAB TOPIC 5.P.4(b))

-URI http://asc.fasb.org/extlink&oid=6394695&loc=d3e140904-122747

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