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Subsequent Events Subsequent Events (Notes) | 12 Months Ended
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Jul. 31, 2018
Subsequent Events [Abstract] |
Subsequent Events [Text Block] | Subsequent Events On September 12, 2018, the Company announced an increase in the annual dividend to shareholders of the Company's Class A Common Stock, from $0.83 to $0.85 per share. A quarterly dividend of $0.2125 will be paid on October 31, 2018, to shareholders of record at the close of business on October 10, 2018. This dividend represents an increase of 2.4% and is the 33rd consecutive annual increase in dividends.

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- Definition The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 855 -URI http://asc.fasb.org/topic&trid=2122774 + Details
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