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Other Operating Income	9 Months Ended
Other Operating Income	May 31, 2018
Other Income and Expenses [Abstract]
Other Operating Income	Other Operating Income During the first quarter of fiscal year 2017, the Company recorded a gain of $3.8 million on the sale of minority investments in franchise operations retained as part of a refranchising transaction that occurred in fiscal year 2009. The gain is reflected in other operating income, net, on the condensed consolidated statement of income.