Share Repurchases	6 Months Ended
Jan. 31, 2021
Equity [Abstract]
Share Repurchases	Share RepurchasesIn March 2017, the Board authorized a share repurchase program to purchase up to $1,500. The program has no expiration date, but it may be suspended or discontinued at any time. We suspended our share repurchases as of the second quarter of 2018. Approximately $1,296 remained available under the March 2017 program as of January 31, 2021.

The entire disclosure for treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-URI http://asc.fasb.org/subtopic&trid=2208821

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