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Goodwill And Other Intangible Assets (Tables) | 12 Months Ended
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Aug. 31, 2018
Goodwill And Intangible Assets Disclosure [Abstract] |
Carrying Amount In Goodwill By Segment |
($ in thousands) |  | Irrigation |  |  | Infrastructure |  |  | Total |
Balance as of August 31, 2016 |  | $ | 60,942 |  |  | $ | 15,861 |  |  | $ | 76,803 |
Foreign currency translation |  |  | 36 |  |  |  | 292 |  |  |  | 328 |
Balance as of August 31, 2017 |  | $ | 60,978 |  |  | $ | 16,153 |  |  | $ | 77,131 |
Divestiture of businesses |  |  | (12,294 | ) |  |  | — |  |  |  | (12,294 | )
Foreign currency translation |  |  | (93 | ) |  |  | (73 | ) |  |  | (167 | )
Balance as of August 31, 2018 |  | $ | 48,591 |  |  | $ | 16,080 |  |  | $ | 64,671 |
Schedule Of Intangible Assets Finite And Infinite Excluding Goodwill |
|  | August 31, |
|  | 2018 |  |  | 2017 |
|  | Weighted |  |  | Gross |  |  |  |  |  |  | Weighted |  |  | Gross |  |  |  |  |
|  | average |  |  | carrying |  |  | Accumulated |  |  | average |  |  | carrying |  |  | Accumulated |
($ in thousands) |  | years |  |  | amount |  |  | amortization |  |  | years |  |  | amount |  |  | amortization |
Amortizable intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Patents and developed technology |  |  | 3.2 |  |  | $ | 26,831 |  |  | $ | (19,656 | ) |  |  | 5.1 |  |  | $ | 34,038 |  |  | $ | (21,581 | )
Customer relationships |  |  | 5.2 |  |  |  | 16,459 |  |  |  | (8,668 | ) |  |  | 5.8 |  |  |  | 19,975 |  |  |  | (10,419 | )
Non-compete agreements |  |  | 0.4 |  |  |  | 1,137 |  |  |  | (1,048 | ) |  |  | 1.6 |  |  |  | 2,354 |  |  |  | (1,806 | )
Other |  |  | 1.1 |  |  |  | 110 |  |  |  | (85 | ) |  |  | 8.8 |  |  |  | 210 |  |  |  | (84 | )
Unamortizable intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tradenames |  | N/A |  |  |  | 12,297 |  |  |  | — |  |  | N/A |  |  |  | 20,121 |  |  |  | — |
Total |  |  | 3.7 |  |  | $ | 56,834 |  |  | $ | (29,457 | ) |  |  | 5.1 |  |  | $ | 76,698 |  |  | $ | (33,890 | )
Schedule Of Future Estimated Amortization Of Intangible Assets |
Fiscal years |  | $ in thousands |
2019 |  | $ | 2,919 |
2020 |  |  | 2,513 |
2021 |  |  | 1,875 |
2022 |  |  | 1,699 |
2023 |  |  | 1,595 |
Thereafter |  |  | 4,479 |
|  | $ | 15,080 |

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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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