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Goodwill and Other Intangible Assets (Purchased Intangible Assets) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Aug. 31, 2019 | Aug. 31, 2018
Acquired Intangible Assets by Major Class [Line Items] |  |
Weighted Average Amortization Period (in years) | 11 years |
Gross Carrying Amount | $ 594,694 | $ 586,309
Accumulated Amortization | (337,841) | (307,178)
Net Carrying Amount | 256,853 | 279,131
Trade names |  |
Acquired Intangible Assets by Major Class [Line Items] |  |
Gross Carrying Amount | 50,590 | 123,090
Net Carrying Amount | $ 50,590 | 123,090
Contractual agreements and customer relationships |  |
Acquired Intangible Assets by Major Class [Line Items] |  |
Weighted Average Amortization Period (in years) | 12 years |
Gross Carrying Amount | $ 292,797 | 289,947
Accumulated Amortization | (175,199) | (153,415)
Net Carrying Amount | $ 117,598 | 136,532
Intellectual property |  |
Acquired Intangible Assets by Major Class [Line Items] |  |
Weighted Average Amortization Period (in years) | 6 years |
Gross Carrying Amount | $ 173,771 | 168,181
Accumulated Amortization | (157,606) | (148,672)
Net Carrying Amount | 16,165 | 19,509
Trade names |  |
Acquired Intangible Assets by Major Class [Line Items] |  |
Gross Carrying Amount | 77,536 | 5,091
Accumulated Amortization | (5,036) | (5,091)
Net Carrying Amount | $ 72,500 | $ 0

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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://fasb.org/us-gaap/role/ref/legacyRef -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/disclosureRef -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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