Recent Accounting Pronouncements (Policies)	3 Months Ended
Nov. 30, 2021
Accounting Policies [Abstract]
Basis of Presentation	The accompanying unaudited Consolidated Financial Statements and Notes to the Consolidated Financial Statements included in this Quarterly Report on Form 10-Q are prepared in accordance with generally accepted accounting principles in the United States ("GAAP") for interim financial information and the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all information and footnotes required by GAAP for annual financial statements, as such, the information in this Quarterly Report on Form 10-Q should be read in conjunction with the audited Consolidated Financial Statements and notes thereto included in our Annual Report on Form 10-K for the fiscal year ended August 31, 2021. The accompanying Consolidated Financial Statements include our accounts and those of our wholly-owned subsidiaries; all intercompany activity and balances have been eliminated.In the opinion of management, the accompanying unaudited Consolidated Financial Statements include all normal recurring adjustments, transactions or events discretely impacting the interim periods considered necessary to present fairly our results of operations, financial position, cash flows and equity.
Subsequent Events	We have evaluated subsequent events through the date of issuance of the financial statements included in this Quarterly Report on Form 10-Q.
Use of Estimates	The preparation of our Consolidated Financial Statements and related disclosures, in conformity with GAAP, requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amount of revenues and expenses during the reporting period. Significant estimates may have been made in areas that include income taxes, stock-based compensation, the valuation of goodwill and allocation of purchase price to acquired assets and liabilities, useful lives and impairments of long-lived tangible and intangible assets and reserves for litigation and other contingencies. We base our estimates on historical experience and on various other assumptions that are believed to be reasonable, the results of which form the basis for making judgments about the carrying values of assets and liabilities. Actual results could differ from those estimates.
New Accounting Standards or Updates Recently Adopted, and Recent Accounting Standards or Updates Not Yet Effective	New Accounting Standards or Updates Recently Adopted Income Tax Simplification In December 2019, the FASB issued ASU 2019-12, Income Taxes (Topic 740); Simplifying the Accounting for Income Taxes, to simplify various aspects related to accounting for income taxes, eliminating certain exceptions to the general principles in accounting for income taxes related to intraperiod tax allocation, simplifying when companies recognize deferred taxes in an interim period, and clarifying certain aspects of the current guidance to promote consistent application. We have adopted this standard effective September 1, 2021. The adoption of this standard did not have an impact on our Consolidated Financial Statements. Recent Accounting Standards or Updates Not Yet Effective Business Combinations In October 2021, the FASB issued ASU No. 2021-08, Business Combinations (Topic 805): Accounting for Contract Assets and Contract Liabilities from Contracts with Customers, which requires an acquirer to recognize and measure contract assets and liabilities acquired in a business combination in accordance with Revenue from Contracts with Customers (Topic 606) rather than adjust them to fair value at the acquisition date. We are currently evaluating the impact of this accounting standard, but it is not expected to have a material impact on our Consolidated Financial Statements. Facilitation of the Effects of Reference Rate Reform on Financial Reporting In March 2020, the FASB issued ASU 2020-04, Reference Rate Reform (Topic 848); Facilitation of the Effects of Reference Rate Reform on Financial Reporting, to provide optional expedients and exceptions for applying GAAP to contract modifications, hedging relationships, and other transactions affected by the anticipated transition from LIBOR. As a result of the reference rate reform initiative, certain widely used reference rates such as LIBOR are expected to be discontinued. The guidance is designed to simplify how entities account for contracts, such as receivables, debt, leases, derivative instruments and hedging, that are modified to replace LIBOR or other benchmark interest rates with new rates. The guidance is effective upon issuance and may be applied through December 31, 2022. We are currently evaluating the impact of this accounting standard, but it is not expected to have a material impact on our Consolidated Financial Statements.

Recent Accounting Pronouncements (Policies)

3 Months Ended

Nov. 30, 2021

The accompanying unaudited Consolidated Financial Statements and Notes to the Consolidated Financial Statements included in this Quarterly Report on Form 10-Q are prepared in accordance with generally accepted accounting principles in the United States ("GAAP") for interim financial information and the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all information and footnotes required by GAAP for annual financial statements, as such, the information in this Quarterly Report on Form 10-Q should be read in conjunction with the audited Consolidated Financial Statements and notes thereto included in our Annual Report on Form 10-K for the fiscal year ended August 31, 2021. The accompanying Consolidated Financial Statements include our accounts and those of our wholly-owned subsidiaries; all intercompany activity and balances have been eliminated.In the opinion of management, the accompanying unaudited Consolidated Financial Statements include all normal recurring adjustments, transactions or events discretely impacting the interim periods considered necessary to present fairly our results of operations, financial position, cash flows and equity.

Subsequent Events

We have evaluated subsequent events through the date of issuance of the financial statements included in this Quarterly Report on Form 10-Q.

Use of Estimates

The preparation of our Consolidated Financial Statements and related disclosures, in conformity with GAAP, requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amount of revenues and expenses during the reporting period. Significant estimates may have been made in areas that include income taxes, stock-based compensation, the valuation of goodwill and allocation of purchase price to acquired assets and liabilities, useful lives and impairments of long-lived tangible and intangible assets and reserves for litigation and other contingencies. We base our estimates on historical experience and on various other assumptions that are believed to be reasonable, the results of which form the basis for making judgments about the carrying values of assets and liabilities. Actual results could differ from those estimates.

New Accounting Standards or Updates Recently Adopted, and Recent Accounting Standards or Updates Not Yet Effective

New Accounting Standards or Updates Recently Adopted

Income Tax Simplification

In December 2019, the FASB issued ASU 2019-12, Income Taxes (Topic 740); Simplifying the Accounting for Income Taxes, to simplify various aspects related to accounting for income taxes, eliminating certain exceptions to the general principles in accounting for income taxes related to intraperiod tax allocation, simplifying when companies recognize deferred taxes in an interim period, and clarifying certain aspects of the current guidance to promote consistent application. We have adopted this standard effective September 1, 2021. The adoption of this standard did not have an impact on our Consolidated Financial Statements.

Recent Accounting Standards or Updates Not Yet Effective

Business Combinations

In October 2021, the FASB issued ASU No. 2021-08, Business Combinations (Topic 805): Accounting for Contract Assets and Contract Liabilities from Contracts with Customers, which requires an acquirer to recognize and measure contract assets and liabilities acquired in a business combination in accordance with Revenue from Contracts with Customers (Topic 606) rather than adjust them to fair value at the acquisition date. We are currently evaluating the impact of this accounting standard, but it is not expected to have a material impact on our Consolidated Financial Statements.

Facilitation of the Effects of Reference Rate Reform on Financial Reporting

In March 2020, the FASB issued ASU 2020-04, Reference Rate Reform (Topic 848); Facilitation of the Effects of Reference Rate Reform on Financial Reporting, to provide optional expedients and exceptions for applying GAAP to contract modifications, hedging relationships, and other transactions affected by the anticipated transition from LIBOR. As a result of the reference rate reform initiative, certain widely used reference rates such as LIBOR are expected to be discontinued. The guidance is designed to simplify how entities account for contracts, such as receivables, debt, leases, derivative instruments and hedging, that are modified to replace LIBOR or other benchmark interest rates with new rates. The guidance is effective upon issuance and may be applied through December 31, 2022. We are currently evaluating the impact of this accounting standard, but it is not expected to have a material impact on our Consolidated Financial Statements.