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Restructuring Liability (Schedule Of Restructuring Liability By Segment) (Details) (USD $) In Thousands	Jul. 31, 2011	Apr. 30, 2011
Restructuring Reserve	$ 3,820	$ 4,921
Severance [Member]
Restructuring Reserve	714	978
Severance [Member] | North America [Member]
Restructuring Reserve
Severance [Member] | Europe, Middle East And Africa ("EMEA") [Member]
Restructuring Reserve	592	857
Severance [Member] | Asia Pacific [Member]
Restructuring Reserve
Severance [Member] | South America [Member]
Restructuring Reserve	115	114
Severance [Member] | Total Executive Recruitment [Member]
Restructuring Reserve	707	971
Severance [Member] | Futurestep [Member]
Restructuring Reserve	7	7
Facilities [Member]
Restructuring Reserve	3,106	3,943
Facilities [Member] | North America [Member]
Restructuring Reserve	82	91
Facilities [Member] | Europe, Middle East And Africa ("EMEA") [Member]
Restructuring Reserve	1,727	2,312
Facilities [Member] | Asia Pacific [Member]
Restructuring Reserve	206	328
Facilities [Member] | South America [Member]
Restructuring Reserve
Facilities [Member] | Total Executive Recruitment [Member]
Restructuring Reserve	2,015	2,731
Facilities [Member] | Futurestep [Member]
Restructuring Reserve	1,091	1,212
North America [Member]
Restructuring Reserve	82	91
Europe, Middle East And Africa ("EMEA") [Member]
Restructuring Reserve	2,319	3,169
Asia Pacific [Member]
Restructuring Reserve	206	328
South America [Member]
Restructuring Reserve	115	114
Total Executive Recruitment [Member]
Restructuring Reserve	2,722	3,702
Futurestep [Member]
Restructuring Reserve	$ 1,098	$ 1,219

X

- 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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

+ Details

Name:	us-gaap_RestructuringReserve
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant