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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Aug. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Impairment Charge [Table Text Block] | A summary of the second quarter fiscal 2016 impairment charge by reporting unit is as follows (in thousands):
| Cortland |  | Viking |  | maximatecc |  | Total
Goodwill | $ | 34,502 |  |  | $ | 39,099 |  |  | $ | 44,521 |  |  | $ | 118,122 |
Indefinite lived intangible assets | 2,211 |  |  | 13,289 |  |  | 1,153 |  |  | 16,653 |
Amortizable intangible assets | — |  |  | 27,952 |  |  | — |  |  | 27,952 |
Fixed assets | — |  |  | 23,784 |  |  | — |  |  | 23,784 |
| $ | 36,713 |  |  | $ | 104,124 |  |  | $ | 45,674 |  |  | $ | 186,511 |
Changes in Carrying Value of Goodwill | The changes in the carrying amount of goodwill for the years ended August 31, 2016 and 2015 are as follows (in thousands):
|  | Industrial |  | Energy |  | Engineered Solutions |  | Total
Balance as of August 31, 2014 |  | $ | 100,266 |  |  | $ | 350,627 |  |  | $ | 291,877 |  |  | $ | 742,770 |
Purchase accounting adjustments (Hayes) |  | (3,244 | ) |  | — |  |  | — |  |  | (3,244 | )
Impairment charge |  | — |  |  | (78,530 | ) |  | — |  |  | (78,530 | )
Impact of changes in foreign currency rates |  | (4,915 | ) |  | (35,647 | ) |  | (12,178 | ) |  | (52,740 | )
Balance as of August 31, 2015 |  | 92,107 |  |  | 236,450 |  |  | 279,699 |  |  | 608,256 |
Business acquisitions |  | 9,726 |  |  | 36,241 |  |  | — |  |  | 45,967 |
Impairment charge |  | — |  |  | (73,919 | ) |  | (44,543 | ) |  | (118,462 | )
Business divestiture (Sanlo) |  | — |  |  | — |  |  | (3,778 | ) |  | (3,778 | )
Impact of changes in foreign currency rates |  | (94 | ) |  | (11,451 | ) |  | (1,162 | ) |  | (12,707 | )
Balance as of August 31, 2016 |  | $ | 101,739 |  |  | $ | 187,321 |  |  | $ | 230,216 |  |  | $ | 519,276 |
Gross Carrying Amount and Accumulated Amortization of Intangible Assets | The gross carrying amount and accumulated amortization of the Company’s intangible assets are as follows (in thousands):
|  | Weighted Average Amortization Period (Year) |  | August 31, 2016 |  | August 31, 2015
|  | Gross |  | Accumulated Amortization |  | Net Book Value |  | Gross |  | Accumulated Amortization |  | Net Book Value
Amortizable intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer relationships |  | 14 |  | $ | 292,671 |  |  | $ | 166,252 |  |  | $ | 126,419 |  |  | $ | 302,518 |  |  | $ | 132,007 |  |  | $ | 170,511 |
Patents |  | 10 |  | 30,296 |  |  | 22,233 |  |  | 8,063 |  |  | 30,899 |  |  | 19,928 |  |  | 10,971 |
Trademarks and tradenames |  | 18 |  | 21,283 |  |  | 7,936 |  |  | 13,347 |  |  | 21,604 |  |  | 7,055 |  |  | 14,549 |
Non-compete agreements & other |  | 3 |  | 6,627 |  |  | 5,890 |  |  | 737 |  |  | 6,790 |  |  | 6,496 |  |  | 294 |
Indefinite lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tradenames |  |  |  | 90,909 |  |  | — |  |  | 90,909 |  |  | 112,437 |  |  | — |  |  | 112,437 |
|  |  |  | $ | 441,786 |  |  | $ | 202,311 |  |  | $ | 239,475 |  |  | $ | 474,248 |  |  | $ | 165,486 |  |  | $ | 308,762 |

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- Definition Schedule Of Finite Lived And Indefinite Lived Intangible Assets [Table Text Block] + References No definition available. + Details
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- Definition The entire disclosure for the details of the charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value. Disclosure may also include a description of the impaired asset and facts and circumstances leading to the impairment, amount of the impairment loss and where the loss is located in the income statement, method(s) for determining fair value, and the segment in which the impaired asset is reported. + References No definition available. + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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