Fair Value Disclosures (Narratives) (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	May. 31, 2015	May. 31, 2014	May. 31, 2015	May. 31, 2014	Nov. 30, 2014
Fair Value Disclosures [Abstract]
Long-lived assets held and used, carrying value					$ 68,200,000
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of Real Estate	$ 0	$ 0	$ 0	$ 0	37,600,000
Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure					$ 30,600,000