Income Taxes (Components Of The Provision For Income Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2017
Current
Federal	$ 21.3	$ 100.0	$ 38.9
State	4.0	5.3	4.3
Foreign	72.5	71.0	56.6
Income tax provision (benefit), current	97.8	176.3	99.8
Deferred
Federal	7.4	6.5	(7.7)
State	1.4	0.2	(0.4)
Foreign	1.4	0.3	(2.5)
Income tax provision (benefit), deferred	10.2	7.0	(10.6)
Total	$ 108.0	$ 183.3	$ 89.2