Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2023	Jan. 31, 2022
Stockholders' Equity Note [Abstract]
Number of shares authorized to be repurchased (in shares)	13,000,000		13,000,000
Stock repurchased during the period (in shares)			2,100,000	1,800,000
Stock repurchased during the period			$ 115.2	$ 115.6
Shares with remaining authorization for repurchase under stock repurchase plan (in shares)	3,300,000		3,300,000
Dividends paid per share (in usd per share)	$ 0.23	$ 0.22	$ 0.46	$ 0.44