Property, Plant and Equipment (Details Textual) (USD $)	12 Months Ended		3 Months Ended	12 Months Ended		3 Months Ended	12 Months Ended				3 Months Ended
	May 31, 2013	May 31, 2012	Nov. 30, 2012 Recreational Vehicles [Member] Facilities	May 31, 2012 Manufactured Housing Facility [Member] Facilities	May 31, 2013 Aircraft [Member]	Nov. 30, 2012 Hemet, California [Member] Recreational Vehicles [Member]	May 31, 2012 Ocala Florida [Member] Facilities	May 31, 2012 Ocala Florida [Member] Manufactured Housing Facility [Member]	May 31, 2012 Ephrata Pennsylvania [Member] Facilities	May 31, 2012 Ephrata Pennsylvania [Member] Manufactured Housing Facility [Member]	May 31, 2013 Mocksville, North Carolina [Member] Manufactured Housing Facility [Member]
Gain on Sale of Idle Property Plant and Equipment (Textual) [Abstract]
Number of idle facilities sold			2	2			1		1
Gain on the sale of idle facilities	$ 1,641,000	$ 3,184,000			$ 684,000	$ 1,411,000		$ 1,114,000		$ 1,386,000	$ 230,000
Property Plant and Equipment (Additional Textual) [Abstract]
Gain on sale of idle property, plant and equipment	$ 1,641,000	$ 3,184,000			$ 684,000	$ 1,411,000		$ 1,114,000		$ 1,386,000	$ 230,000