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Accounts Receivables | 12 Months Ended
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Aug. 31, 2021
Accounts Receivables [Abstract] |
Accounts Receivables | ### 4.ACCOUNTS RECEIVABLE Our trade accounts receivable are recorded at net realizable value, which includes an allowance for estimated credit losses as described in Note 1, Basis of Presentation. Under the guidance found in ASC Topic 326, the “expected credit loss” model replaced the previous “incurred loss” model and requires consideration of a broader range of information to estimate expected credit losses over the lives of our trade accounts receivable. Our prior methodology for estimating credit losses on our trade accounts receivable did not differ significantly from the new requirements of Topic 326. We maintain an allowance for credit losses related to our trade accounts receivable for future expected credit losses resulting from the inability or unwillingness of our customers to make required payments. We estimate the allowance based upon historical bad debts, current customer receivable balances, age of customer receivable balances, and the customers’ financial condition in relation to a representative pool of assets consisting of customers with similar risk characteristics. The allowance is adjusted as appropriate to reflect differences in current conditions as well as changes in forecasted macroeconomic conditions. Receivables that do not share risk characteristics are evaluated on an individual basis, including those associated with customers that have a higher probability of default. Our estimate of credit losses includes expected current and future economic and market conditions surrounding the current COVID-19 pandemic. We do not have a significant amount of notes or other receivables. The following schedule provides a reconciliation of the activity in our allowance for estimated credit losses during the past three fiscal years (in thousands):
YEAR ENDED |  |  |  |  |  |
AUGUST 31, |  | 2021 |  | 2020 |  | 2019
Beginning balance | $ | 4,159 | $ | 4,242 | $ | 3,555
Charged to costs and expenses |  | 1,553 |  | 2,023 |  | 1,212
Deductions |  | (1,069) |  | (2,106) |  | (525)
Ending balance | $ | 4,643 | $ | 4,159 | $ | 4,242
Deductions on the foregoing table represent the write-off of amounts deemed uncollectible during the fiscal year presented. Recoveries of amounts previously written off were insignificant for the periods presented. No customer accounted for more than 10 percent of our sales or accounts receivable in any year presented.

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- Definition The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2196772 + Details
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- References No definition available. + Details
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