Segment Information (Continuing Operations By Reportable Operating Segment) (Details) (USD $) In Thousands	3 Months Ended
Jul. 31, 2011	Jul. 31, 2010
Revenues	$ 267,634	$ 274,474
Loss from continuing operations before tax benefit	(293,142)	(207,317)
Tax Services [Member]
Revenues	91,425	91,645
Loss from continuing operations before tax benefit	(169,483)	(174,624)
Business Services [Member]
Revenues	167,263	174,710
Loss from continuing operations before tax benefit	(92,541)	(433)
Corporate [Member]
Revenues	8,946	8,119
Loss from continuing operations before tax benefit	$ (31,118)	$ (32,260)

Amount of total revenue for the reportable segments, including revenue from external customers, transactions with other operating segments of the same entity, and (gross) interest revenue. All considered to be "operating revenue" for purposes of the taxonomy.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 131
-Paragraph 27
-Subparagraph a, b, c
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (a),(b),(c)
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8736-108599

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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