Description of Business and Summary of Significant Accounting Policies (Details 7)	12 Months Ended
May 31, 2016 $ / shares
Dividends Declared [Abstract]
Dividends Payable, Date Declared	Jun. 06, 2016
Dividends Payable Amount Per Share	$ 0.4
Dividends Payable, Date Paid	Jul. 01, 2016
Dividends Payable, Date Of Record	Jun. 16, 2016

No definition available.

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- Definition

Date the declared dividend will be paid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

+ Details

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- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

+ References

+ Details

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- Definition

Date the dividend to be paid was declared, in CCYY-MM-DD format.

+ References

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- Definition

Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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