Income Taxes (Components Of The Provision For Income Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2014
Current
Federal	$ 19.9	$ 28.5	$ 49.0
State	3.1	2.9	4.7
Foreign	46.9	54.7	54.6
Income tax provision (benefit), current	69.9	86.1	108.3
Deferred
Federal	(0.3)	(4.2)	(9.5)
State	(0.2)	0.1	0.4
Foreign	(2.8)	(1.5)	1.3
Income tax provision (benefit), deferred	(3.3)	(5.6)	(7.8)
Total	$ 66.6	$ 80.5	$ 100.5