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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 29, 2016 | Feb. 28, 2015 | Aug. 31, 2016 | Aug. 31, 2015 | Aug. 31, 2014
Income Tax Disclosure Additional Details [Table] [Line Items] |  |  |  |  |
Asset Impairment Charge Income Tax Benefit |  |  | $ 68,000 | $ 6,300 |
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount |  |  |  | 10,000 |
Impairment charge | $ 186,511 |  | 186,511 | 84,353 | $ 0
Unrecognized Tax Benefits, Period Increase (Decrease) |  |  |  | (9,500) |
Recognized interest and penalties related to unrecognized tax benefits |  |  | 2,300 | 1,800 | 2,000
Undistributed earnings |  |  | 302,400 |  |
Additional provision for undistributed earnings |  |  | 39,200 |  |
Gain (loss) on product line divestiture |  |  | 5,092 | 0 | (13,495)
Income taxes, net of refunds |  |  | 21,400 | 26,400 | $ 57,200
Foreign Tax Authority |  |  |  |  |
Income Tax Disclosure Additional Details [Table] [Line Items] |  |  |  |  |
Operating Loss Carryforward |  |  | 105,400 |  |
State and Local Jurisdiction |  |  |  |  |
Income Tax Disclosure Additional Details [Table] [Line Items] |  |  |  |  |
Operating Loss Carryforward |  |  | 58,300 |  |
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit |  |  | 4,700 |  |
Domestic Destination |  |  |  |  |
Income Tax Disclosure Additional Details [Table] [Line Items] |  |  |  |  |
Impairment charge |  | $ 20,300 | 49,000 |  |
Foreign Destination |  |  |  |  |
Income Tax Disclosure Additional Details [Table] [Line Items] |  |  |  |  |
Impairment charge |  |  | $ 137,500 | $ 64,100 |
Percent of Revenue (excluding impairment charge) from foreign jurisdictions |  |  | 53.00% | 68.00% | 51.00%
Valuation Allowance of Deferred Tax Assets |  |  |  |  |
Income Tax Disclosure Additional Details [Table] [Line Items] |  |  |  |  |
Valuation Allowances and Reserves, Charged to Cost and Expense |  |  | $ 852 | $ 5,694 | $ 1,243
Valuation Allowances and Reserves, Deductions |  |  | $ 1,026 | $ 2,254 | $ 6,936

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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=51824106&loc=d3e2420-110228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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