LEGAL PROCEEDINGS (Details)	6 Months Ended
Nov. 30, 2015
Hewlett-Packard Litigation [Member]
Legal Proceedings [Line Items]
Inestimable loss related to litigation	We cannot currently estimate a reasonably possible range of loss for this action.
State Of Oregon Litigation [Member]
Legal Proceedings [Line Items]
Inestimable loss related to litigation	We cannot currently estimate a reasonably possible range of loss for this action.
Other Litigation [Member]
Legal Proceedings [Line Items]
Other litigation	We are party to various other legal proceedings and claims, either asserted or unasserted, which arise in the ordinary course of business, including proceedings and claims that relate to acquisitions we have completed or to companies we have acquired or are attempting to acquire. While the outcome of these matters cannot be predicted with certainty, we do not believe that the outcome of any of these matters, individually or in the aggregate, will result in losses that are materially in excess of amounts already recognized, if any.

We cannot currently estimate a reasonably possible range of loss for this action.

We are party to various other legal proceedings and claims, either asserted or unasserted, which arise in the ordinary course of business, including proceedings and claims that relate to acquisitions we have completed or to companies we have acquired or are attempting to acquire. While the outcome of these matters cannot be predicted with certainty, we do not believe that the outcome of any of these matters, individually or in the aggregate, will result in losses that are materially in excess of amounts already recognized, if any.