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Restructuring and Other Charges - Additional Information (Detail) | May. 31, 2015
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Restructuring And Related Activities [Abstract] |
Reduction of global work force | 3.00%

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- References No definition available. + Details
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- Definition Percentage of the total number of positions eliminated as of the balance sheet date since inception of the restructuring plan(s). + References No definition available. + Details
Name: | us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminatedInceptionToDatePercent
Namespace Prefix: | us-gaap_
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