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Schedule II - Valuation and Qualifying Accounts and Reserves (Details) - USD ($) $ in Thousands | 12 Months Ended
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Aug. 31, 2015 | Aug. 31, 2014 | Aug. 31, 2013
Valuation Allowance for Doubtful Accounts |  |  |
Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Year | $ 103,639 | $ 94,589 | $ 111,785
Additions: Charged to Costs and Expenses | 8,132 | 9,313 | (13,130)
Deductions: Write-offs, net of Recoveries | (5,326) | (263) | (4,066)
Balance at End of Year | 106,445 | 103,639 | 94,589
Valuation Allowance of Deferred Tax Assets |  |  |
Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Year | 111,509 | 79,623 | 56,659
Additions: Charged to Costs and Expenses | 21,884 | 40,095 | 27,046
Deductions: Write-offs, net of Recoveries | (35,370) | (8,209) | (4,082)
Balance at End of Year | $ 98,023 | $ 111,509 | $ 79,623

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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + Details
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