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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Apr. 30, 2017
Summary of Significant Accounting Policies [Abstract] |
Net Sales Return Reserves by Balance Sheet Account | The reserves are reflected in the following accounts of the Consolidated Statements of Financial Position – (decrease) increase as of April 30:
| 2017 | 2016 |
Accounts Receivable | $(34,769) | $(29,447) |
Inventories | $4,727 | 4,924 |
Accounts and Royalties Payable | $(5,741) | (4,662) |
Decrease in Net Assets | $(24,300) | $(19,861) |

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- Definition Tabular disclosure of net sales return reserves as reflected in accounts in Consolidated Statements of Financial Position. + References No definition available. + Details
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