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Restructuring and Other Expense (Income) - Additional Information (Detail) (USD $)
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9 Months Ended | 1 Months Ended | 9 Months Ended | 1 Months Ended | 3 Months Ended | 9 Months Ended | 1 Months Ended | 9 Months Ended | |
|---|---|---|---|---|---|---|---|---|---|
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Feb. 28, 2014
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Dec. 10, 2013
Baltimore Steel Facility
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Jun. 30, 2013
ITS
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Feb. 28, 2014
Metal Framing
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Oct. 31, 2012
Pressure Cylinders
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May 31, 2013
Pressure Cylinders
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Feb. 28, 2014
Pressure Cylinders
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Nov. 12, 2013
Pressure Cylinders
North America
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Feb. 28, 2014
Commercial Stairs
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| Restructuring Cost and Reserve [Line Items] | |||||||||
| Facility exit and other costs incurred | $ 934,000 | $ 370,000 | $ 242,000 | $ 636,000 | |||||
| Gain/loss on sale of assets | 10,587,000 | 4,762,000 | (114,000) | 50,000 | 5,939,000 | ||||
| Severance accrual adjustment | 1,380,000 | 2,488,000 | 578,000 | 3,714,000 | |||||
| Cash proceeds from sale of assets | 7,457,000 | ||||||||
| Future payments for restructuring | $ 7,238,000 | ||||||||