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Gain on Sale of Idle Property, Plant and Equipment	9 Months Ended
Gain on Sale of Idle Property, Plant and Equipment	Feb. 28, 2014
Property Plant And Equipment [Abstract]
Gain on Sale of Idle Property, Plant and Equipment	NOTE 10 Gain on Sale of Idle Property, Plant and Equipment In the second quarter of fiscal 2014, the Corporation sold its idle manufactured housing facility located in Fair Haven, Vermont for a gain of $162,000. Likewise, in the third quarter of fiscal 2014 an idle manufactured housing facility located in Halstead, Kansas was sold for a gain of $300,000. In the second quarter of fiscal 2013, the Corporation sold two idle recreational vehicle facilities located in Hemet, California for a gain of $1,411,000.