Long-Term Stock Incentive Plan	6 Months Ended
Long-Term Stock Incentive Plan	May 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Long-Term Stock Incentive Plan	9. Long-Term Stock Incentive Plan In May 2013, the Company awarded and issued a total of 80,514 restricted shares of the Company’s Class A common shares to certain officers and managers, under the Company’s Long-Term Stock Incentive Plan (the “2006 Plan”). The shares of restricted stock awarded in May 2013, vest at the rate of 50.0 percent on the third anniversary of the award date and the remaining 50.0 percent on the fifth anniversary of the award date. The weighted average grant date fair value of these restricted share awards was $32.87 per share. In accordance with ASC 718, “Compensation — Stock Compensation” the Company is recognizing stock-based compensation on its restricted shares awarded on the accelerated method over the requisite service period.

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

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-Name Statement of Position (SOP)

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