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Gain on Sale of Idle Property, Plant and Equipment (Details) (USD $)
|
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
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Nov. 30, 2012
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Nov. 30, 2011
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Nov. 30, 2012
|
Nov. 30, 2011
|
|
| Gain on Sale of Idle Property Plant and Equipment (Textual) [Abstract] | ||||
| Gain on the sale of idle facilities | $ 1,411,000 | $ 2,500,000 | $ 1,411,000 | $ 2,500,000 |
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Recreational Vehicles [Member]
|
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| Gain on Sale of Idle Property Plant and Equipment (Textual) [Abstract] | ||||
| Number of idle facilities sold | 2 | 2 | ||
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Hemet, California [Member] | Recreational Vehicles [Member]
|
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| Gain on Sale of Idle Property Plant and Equipment (Textual) [Abstract] | ||||
| Gain on the sale of idle facilities | 1,411,000 | |||
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Ocala, Florida [Member] | Recreational Vehicles [Member]
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| Gain on Sale of Idle Property Plant and Equipment (Textual) [Abstract] | ||||
| Gain on the sale of idle facilities | 1,114,000 | |||
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Ephrata, Pennsylvania [Member] | Recreational Vehicles [Member]
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| Gain on Sale of Idle Property Plant and Equipment (Textual) [Abstract] | ||||
| Gain on the sale of idle facilities | $ 1,386,000 | |||

