The difference between the proceeds received and the carrying value of the long-lived asset. If the proceeds received exceeds the carrying value of the long-lived asset, then there is a gain. If the proceeds received is less than the carrying value of the long-lived asset, then there is a loss.

+ References+ Details

The charge against earnings in the period, comprised of costs associated with restructuring activities not otherwise specified in the taxonomy pursuant to a duly authorized plan, excluding a discontinued operation as defined by generally accepted accounting principles. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, but excludes costs associated with the retirement of a long-lived asset and severance costs associated with established compensation plans.

+ References+ Details

- Definition

The charge against earnings in the period for known and estimated costs of termination benefits provided to current employees that are involuntarily terminated under a benefit arrangement associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination or a discontinued operation as defined by generally accepted accounting principles and costs associated with one-time termination benefits.

+ References

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+ Details

Restructuring and Other Expense - Additional Information (Detail) (USD $)	6 Months Ended			6 Months Ended
	Nov. 30, 2012	May 31, 2013 Scenario, Forecast	Nov. 30, 2012 Metal Framing	Nov. 30, 2012 Commercial Stairs	Nov. 30, 2012 Early Retirement And Severance
Restructuring Cost and Reserve [Line Items]
Facility exit and other costs incurred	$ 484,000			$ 1,561,000
Severance accrual adjustment					235,000
Cash proceeds from sale of assets for sale assets			5,195,000
Gain on sale of assets held for sale	(1,690,000)		1,690,000
Employee severance cost	104,000
Payment for restructuring	$ 2,258,000	$ 1,317,000			$ 1,440,000