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Commitments And Contingencies (Narrative) (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Jan. 31, 2018 | Jan. 31, 2017 | Apr. 30, 2017
Commitments And Contingencies [Line Items] |  |  |
Standard guarantee accrual amount | $ 3,300 | $ 5,700 | $ 6,800
Contingent business acquisition obligations | 11,906 |  | $ 10,428
Lines of credit, total obligation | 41,500 |  |
Remaining franchise equity lines of credit-undrawn commitment | 12,600 |  |
Loss Contingency Accrual [Roll Forward] |  |  |
Balance, beginning of the period | 2,300 |  |
Balance, end of the period | 2,500 | 1,700 |
Scc |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |
Balance, beginning of the period | 4,500 | 65,265 |
Loss provisions | 0 | 235 |
Payments | (4,500) | (61,000) |
Balance, end of the period | $ 0 | 4,500 |
Level 3 |  |  |
Commitments And Contingencies [Line Items] |  |  |
Contingent business acquisition obligations |  | 9,332 |
H&R Block Emerald Advance® lines of credit |  |  |
Commitments And Contingencies [Line Items] |  |  |
Percentage of participation interest required to be purchased at par | 90.00% |  |
Principal balance of purchased participation interests | $ 345,000 |  |
Refund Advance Pre E-File |  |  |
Commitments And Contingencies [Line Items] |  |  |
Estimate of possible loss | 10,000 |  |
Refund Advance |  |  |
Commitments And Contingencies [Line Items] |  |  |
Estimate of possible loss | 57,000 |  |
Amount paid related to guarantees | 400 |  |
Loss Contingency Accrual [Roll Forward] |  |  |
Balance, end of the period | $ 1,600 | $ 600 |

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