XML 30 R71.htm IDEA: XBRL DOCUMENT
v3.2.0.727

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

X
- References No definition available. + Details
Name: | us-gaap_RestructuringAndRelatedActivitiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant