Employee Benefit Plans (Changes In Fair Value Of U.S. Pension Plans' Level 3 Assets) (Details) - Pension Plan - USD ($) $ in Millions	12 Months Ended
	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2017
Change in fair value of plan assets:
Fair value of plan assets, beginning of year	$ 486.3		$ 465.1
Unrealized gains (losses)	(152.0)	$ (130.8)
Foreign currency exchange	11.2	(0.5)
Fair value of plan assets, end of year	502.2	486.3
Non - U.S. Plan
Change in fair value of plan assets:
Fair value of plan assets, beginning of year	155.4
Fair value of plan assets, end of year	157.7	155.4
Non - U.S. Plan | Level 3
Change in fair value of plan assets:
Fair value of plan assets, beginning of year	28.6	34.3	31.8
Unrealized gains (losses)	3.5	(4.0)	1.2
Foreign currency exchange	(1.5)	0.2	1.7
Purchases	0.5	0.5	1.0
Sales	(0.3)	(2.4)	(1.4)
Fair value of plan assets, end of year	$ 30.8	$ 28.6	$ 34.3