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Summary of Significant Accounting Policies (Details) (USD $) | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
May 31, 2010 | Jul. 31, 2010 | Apr. 30, 2011 | Apr. 30, 2010 | Apr. 30, 2009
Percentage of mortgage loan portfolio consisting of borrowers from Florida, California, New York and Wisconsin |  |  | 59.00% |  |
Book overdrafts included in accounts payable |  |  | $ 38,800,000 | $ 35,900,000 |
Goodwill impairment |  |  | 22,700,000 | 15,000,000 |
Weighted-average life of intangible assets with finite lives (in years) |  |  | 26 |  |
Refundable deposit from franchisees |  |  | 2,500 |  |
Total advertising costs of continuing operations |  |  | 264,200,000 | 254,800,000 | 249,200,000
Contributions of continuing operations to 401(k) defined contribution plans |  |  | 22,300,000 | 24,000,000 | 26,700,000
Staff reduction due to realignment | 400 |  |  |  |
Severance benefits recorded |  | 29,600,000 |  |  |
Net unrealized holding gain on AFS securities |  |  | 500,000 | 300,000 |
Foreign currency translation adjustment |  |  | 10,800,000 | 1,300,000 |
Sales Revenue, Segment [Member] | Tax Services [Member] |  |  |  |  |
Concentration risk percent |  |  | 77.20% |  |
RedGear Unit [Member] | Tax Services [Member] |  |  |  |  |
Goodwill impairment |  |  | 22,700,000 |  |
RSM EquiCo, Inc. (RSM EquiCo) [Member] | Business Services [Member] |  |  |  |  |
Goodwill impairment |  |  |  | 15,000,000 |
Buildings [Member] |  |  |  |  |
Estimated useful life, minimum (years) |  |  | 15 |  |
Estimated useful life, maximum (years) |  |  | 40 |  |
Computers and Other Equipment [Member] |  |  |  |  |
Estimated useful life, minimum (years) |  |  | 3 |  |
Estimated useful life, maximum (years) |  |  | 5 |  |
Leasehold Improvements [Member] |  |  |  |  |
Estimated useful life, maximum (years) |  |  | 8 |  |
Software Development [Member] |  |  |  |  |
Developed software, amortization period (months) |  |  | 36 |  |
Line of Credit [Member] | Loans to Franchisees [Member] |  |  |  |  |
Loans made to franchisees |  |  | 47,500,000 |  |
Term Loan [Member] | Loans to Franchisees [Member] |  |  |  |  |
Loans made to franchisees |  |  | 125,100,000 |  |
Emerald Advance Lines of Credit [Member] |  |  |  |  |
Maximum funding by facility |  |  | 1,000 |  |
Non accrual status loans |  |  | 46,800,000 |  |
Tax Client Receivables - RALs [Member] |  |  |  |  |
Interest in loans purchased |  |  | 49.90% |  |
Loans to Franchisees [Member] |  |  |  |  |
Non accrual status loans |  |  | 100,000 |  |
Loans made to franchisees |  |  | 172,600,000 |  |
Tax Services [Member] |  |  |  |  |
Goodwill impairment |  |  | 22,700,000 |  | 2,200,000
Business Services [Member] |  |  |  |  |
Goodwill impairment |  |  |  | $ 15,000,000 |

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