Income Taxes (Components of The Provision for Income Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 31, 2021	Jul. 31, 2020	Jul. 31, 2019
Current
Federal	$ 13.2	$ 9.7	$ 21.3
State	3.9	3.1	4.0
Foreign	82.9	62.7	72.5
Income tax provision (benefit), current	100.0	75.5	97.8
Deferred
Federal	(1.9)	4.1	7.4
State	(0.2)	0.2	1.4
Foreign	(3.8)	(1.6)	1.4
Income tax provision (benefit), deferred	(5.9)	2.7	10.2
Total provision for income taxes	$ 94.1	$ 78.2	$ 108.0