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Summary of Significant Accounting Policies - Cash and Cash Equivalents (Details) - USD ($) $ in Thousands | May. 31, 2015 | May. 31, 2014
--- | --- | ---
Cash and Cash Equivalents [Line Items] |  |
Settlement processing assets | $ 2,394,822 | $ 780,917
Cash and Cash Equivalents |  |
Cash and Cash Equivalents [Line Items] |  |
Settlement processing assets | $ 180,200 | $ 124,700

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Cash received or short term receivables for unsettled money transfers, money orders, consumer payments, or business to business payments. Settlement assets include clearing and settling customers payments due to and from financial institutions and may include cash and cash equivalents. + References No definition available. + Details
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