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Acquisitions | 6 Months Ended
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Feb. 28, 2017
Business Combinations [Abstract] |
Business Combination Disclosure [Text Block] | Acquisitions During fiscal 2016, the Company completed two acquisitions which resulted in the recognition of goodwill in the condensed consolidated financial statements because their purchase price reflected the future earnings and cash flow potential of the acquired companies, as well as the complementary strategic fit and resulting synergies the acquisitions were expected to bring to existing operations. The Company makes an initial allocation of the purchase price at the date of acquisition, based upon its understanding of the fair value of the acquired assets and assumed liabilities. If additional information is obtained about these assets and liabilities within the measurement period (not to exceed one year from the date of acquisition), through asset appraisals and other sources, the Company will refine its estimates of fair value and adjust the initial purchase price allocation. The Company acquired the stock of Larzep, S.A. ("Larzep") on February 17, 2016 for a purchase price of $15.9 million net of cash acquired. This Industrial segment tuck-in acquisition is headquartered in Mallabia, Spain and is a supplier of hydraulic tools and solutions. The purchase price allocation resulted in $9.7 million of goodwill (which is not deductible for tax purposes) and $4.8 million of intangible assets, including $3.6 million of customer relationships and $1.2 million of tradenames. The Company also acquired the assets of the Middle East, Caspian and the North African business of FourQuest Energy Inc. ("Pipeline and Process Services") for $65.5 million on March 30, 2016. This Hydratight tuck-in acquisition was funded with existing cash and expanded the geographic presence and service offerings of the Energy segment, including pipeline pre-commissioning, engineering, chemical cleaning and leak testing. The preliminary purchase price allocation resulted in $38.6 million of goodwill (which is not deductible for tax purposes) and $8.7 million of intangible assets, including $8.0 million of customer relationships and $0.7 million of non-compete agreements. During fiscal 2017, goodwill related to this acquisition increased by $2.3 million, as a result of adjustments to reflect the fair value of acquired accounts receivables. The two acquisitions generated combined sales of $8.4 million, and $17.7 million for the three and six months ended February 28, 2017, respectively. The Company incurred acquisition transaction costs of $0.7 million and $1.3 million for the three and six months ended February 29, 2016, respectively. The following unaudited pro forma operating results of the Company give effect to these acquisitions as though the transactions and related financing activities occurred on September 1, 2015 (in thousands, expect per share amounts):
| Three Months Ended |  | Six Months Ended
| February 28, 2017 |  | February 29, 2016 |  | February 28, 2017 |  | February 29, 2016
Net sales |  |  |  |  |  |  |
As reported | $ | 258,869 |  |  | $ | 263,289 |  |  | $ | 524,662 |  |  | $ | 568,300 |
Pro forma | 258,869 |  |  | 275,115 |  |  | 524,662 |  |  | 591,009 |
Net earnings (loss) |  |  |  |  |  |  |
As reported | $ | 5,074 |  |  | $ | (159,190 | ) |  | $ | 10,039 |  |  | $ | (143,742 | )
Pro forma | 5,074 |  |  | (157,038 | ) |  | 10,039 |  |  | (140,198 | )
Basic earnings (loss) per share |  |  |  |  |  |  |
As reported | $ | 0.09 |  |  | $ | (2.70 | ) |  | $ | 0.17 |  |  | $ | (2.43 | )
Pro forma | 0.09 |  |  | (2.66 | ) |  | 0.17 |  |  | (2.37 | )
Diluted earnings (loss) per share |  |  |  |  |  |  |
As reported | $ | 0.08 |  |  | $ | (2.70 | ) |  | $ | 0.17 |  |  | $ | (2.43 | )
Pro forma | 0.08 |  |  | (2.66 | ) |  | 0.17 |  |  | (2.37 | )
Business Acquisition, Pro Forma Information [Table Text Block] | The following unaudited pro forma operating results of the Company give effect to these acquisitions as though the transactions and related financing activities occurred on September 1, 2015 (in thousands, expect per share amounts):
| Three Months Ended |  | Six Months Ended
| February 28, 2017 |  | February 29, 2016 |  | February 28, 2017 |  | February 29, 2016
Net sales |  |  |  |  |  |  |
As reported | $ | 258,869 |  |  | $ | 263,289 |  |  | $ | 524,662 |  |  | $ | 568,300 |
Pro forma | 258,869 |  |  | 275,115 |  |  | 524,662 |  |  | 591,009 |
Net earnings (loss) |  |  |  |  |  |  |
As reported | $ | 5,074 |  |  | $ | (159,190 | ) |  | $ | 10,039 |  |  | $ | (143,742 | )
Pro forma | 5,074 |  |  | (157,038 | ) |  | 10,039 |  |  | (140,198 | )
Basic earnings (loss) per share |  |  |  |  |  |  |
As reported | $ | 0.09 |  |  | $ | (2.70 | ) |  | $ | 0.17 |  |  | $ | (2.43 | )
Pro forma | 0.09 |  |  | (2.66 | ) |  | 0.17 |  |  | (2.37 | )
Diluted earnings (loss) per share |  |  |  |  |  |  |
As reported | $ | 0.08 |  |  | $ | (2.70 | ) |  | $ | 0.17 |  |  | $ | (2.43 | )
Pro forma | 0.08 |  |  | (2.66 | ) |  | 0.17 |  |  | (2.37 | )

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- Definition Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 + Details
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- Definition The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1497-128463 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1490-128463 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1486-128463 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1524-128463 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7000-128479 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4922-128472 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4934-128472 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4926-128472 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 4A -URI http://asc.fasb.org/extlink&oid=73530397&loc=SL65897772-128472 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1383-128463 Reference 15: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6996-128479 + Details
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