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Description of the Business, Basis of Presentation and Summary of Significant Accounting Policies (Details2)
12 Months Ended
May 31, 2014
Finite-Lived Intangible Assets [Line Items]  
Useful life of intangible assets 7 years
Customer Lists [Member]
 
Finite-Lived Intangible Assets [Line Items]  
Useful life of intangible assets 5 years
Minimum [Member] | Intellectual Property [Member]
 
Finite-Lived Intangible Assets [Line Items]  
Useful life of intangible assets 5 years
Maximum [Member] | Intellectual Property [Member]
 
Finite-Lived Intangible Assets [Line Items]  
Useful life of intangible assets 20 years