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Shareholders' Equity	6 Months Ended
Shareholders' Equity	Jan. 31, 2020
Stockholders' Equity Note [Abstract]
Shareholders' Equity	Shareholders’ Equity The Company’s Board of Directors authorized the repurchase of up to 13.0 million shares of common stock under the Company’s stock repurchase plan. This repurchase authorization is effective until terminated by the Board of Directors. During the six months ended January 31, 2020, the Company repurchased 1.4 million shares for $65.0 million. As of January 31, 2020, the Company had remaining authorization to repurchase 11.4 million shares under this plan. Dividends paid per share were 42.0 cents and 38.0 cents for the six months ended January 31, 2020 and 2019, respectively.