General form of registration statement for all companies including face-amount certificate companies

Rescission Liabilities - Additional Information (Detail)

v3.3.1.900
Rescission Liabilities - Additional Information (Detail) - USD ($)
May. 31, 2015
May. 31, 2014
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]    
Rescission liability $ 0 $ 378,000