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v2.3.0.11

Consolidated Statements of Cash Flows (Parenthetical) (USD $) In Thousands | Apr. 30, 2011 | Apr. 30, 2010 | Apr. 30, 2009
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Consolidated Statements of Cash Flows |  |  |
Income tax refunds received | $ 4,762 | $ 12,587 | $ 158,862

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- Definition The amount of the additional liability or refund received or expected based on a final settlement with a taxing authority. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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