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Receivables (Schedule of Allowance for Doubtful Accounts) (Details) (USD $) In Thousands | Apr. 30, 2011 | Apr. 30, 2010
--- | --- | ---
Allowance for doubtful accounts | $ 67,466 | $ 112,475
Emerald Advance Lines of Credit [Member] |  |
Allowance for doubtful accounts | 4,400 | 35,239
Tax Client Receivables - RALs [Member] |  |
Allowance for doubtful accounts |  | 12,191
Loans to Franchisees [Member] |  |
Allowance for doubtful accounts |  | 4
All Other Receivables [Member] |  |
Allowance for doubtful accounts | $ 63,066 | $ 65,041

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- Definition A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 4 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6965416&loc=d3e5074-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Namespace Prefix: | us-gaap
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant