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Supplemental Balance Sheet Information | 6 Months Ended
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Oct. 31, 2012
Supplemental Balance Sheet Information | 9. Supplemental Balance Sheet Information Other accrued liabilities included deferred revenue of $20.1 million and $13.5 million as of October 31, 2012 and April 30, 2012, 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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