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Goodwill and Other Intangible Assets (Details 3) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Aug. 31, 2017 | Aug. 31, 2016
Acquired Intangible Assets by Major Class [Line Items] |  |
Weighted Average Amortization Period | 9 years |
Gross Carrying Amount | $ 553,808 | $ 529,572
Accumulated Amortization | (269,212) | (232,618)
Net Carrying Amount | $ 284,596 | 296,954
Contractual agreements and customer relationships |  |
Acquired Intangible Assets by Major Class [Line Items] |  |
Weighted Average Amortization Period | 11 years |
Gross Carrying Amount | $ 265,148 | 250,451
Accumulated Amortization | (132,691) | (113,393)
Net Carrying Amount | $ 132,457 | 137,058
Intellectual property [Member] |  |
Acquired Intangible Assets by Major Class [Line Items] |  |
Weighted Average Amortization Period | 5 years |
Gross Carrying Amount | $ 160,456 | 151,025
Accumulated Amortization | (131,407) | (114,219)
Net Carrying Amount | 29,049 | 36,806
Trade names [Member] |  |
Acquired Intangible Assets by Major Class [Line Items] |  |
Gross Carrying Amount | 5,114 | 5,006
Accumulated Amortization | (5,114) | (5,006)
Trade names [Member] | Trade names [Member] |  |
Acquired Intangible Assets by Major Class [Line Items] |  |
Gross Carrying Amount | 123,090 | 123,090
Net Carrying Amount | $ 123,090 | $ 123,090

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- Definition Acquired Intangible Assets by Major Class [Line Items] + References No definition available. + Details
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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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