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Supplemental Balance Sheet Information | 12 Months Ended
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Apr. 30, 2012
Supplemental Balance Sheet Information |
16. | Supplemental Balance Sheet Information
Other accrued liabilities included deferred revenue of $13.5 million and $11.3 million as of April 30, 2012 and 2011, respectively.

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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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