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Goodwill and Other Intangible Assets (Tables) | 3 Months Ended
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Nov. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | Changes in the gross carrying value of intangible assets and goodwill can result from changes in foreign currency exchange rates, business acquisitions, divestitures or impairment charges. The changes in the carrying amount of goodwill for the three months ended November 30, 2017 are as follows (in thousands):
| Industrial |  | Energy |  | Engineered Solutions |  | Total
Balance as of August 31, 2017 | $ | 103,875 |  |  | $ | 188,830 |  |  | $ | 237,376 |  |  | $ | 530,081 |
Impact of changes in foreign currency rates | 65 |  |  | 1,925 |  |  | (617 | ) |  | 1,373 |
Balance as of November 30, 2017 | $ | 103,940 |  |  | $ | 190,755 |  |  | $ | 236,759 |  |  | $ | 531,454 |
Schedule Of Finite Lived And Indefinite Lived Intangible Assets Table | The gross carrying value and accumulated amortization of the Company’s other intangible assets are as follows (in thousands):
|  |  | November 30, 2017 |  | August 31, 2017
| Weighted Average Amortization Period (Years) |  | Gross Carrying Value |  | Accumulated Amortization |  | Net Book Value |  | Gross Carrying Value |  | Accumulated Amortization |  | Net Book Value
Amortizable intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |
Customer relationships | 15 |  | $ | 264,409 |  |  | $ | 158,245 |  |  | $ | 106,164 |  |  | $ | 263,498 |  |  | $ | 153,003 |  |  | $ | 110,495 |
Patents | 10 |  | 30,448 |  |  | 24,476 |  |  | 5,972 |  |  | 30,401 |  |  | 24,027 |  |  | 6,374 |
Trademarks and tradenames | 18 |  | 21,324 |  |  | 9,637 |  |  | 11,687 |  |  | 21,498 |  |  | 9,396 |  |  | 12,102 |
Other intangibles | 3 |  | 6,712 |  |  | 6,328 |  |  | 384 |  |  | 6,672 |  |  | 6,234 |  |  | 438 |
Indefinite lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |
Tradenames | N/A |  | 91,825 |  |  | — |  |  | 91,825 |  |  | 91,080 |  |  | — |  |  | 91,080 |
|  |  | $ | 414,718 |  |  | $ | 198,686 |  |  | $ | 216,032 |  |  | $ | 413,149 |  |  | $ | 192,660 |  |  | $ | 220,489 |

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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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